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Sulfonamides and Derivatives

Sulfonamides and Derivatives

Sulphonamides are compounds that contain a sulphonamide functional group (-SO₂NH₂), where a sulphur atom is bonded to an amino group. They were among the first synthetic antibiotics used in medicine, inhibiting folic acid synthesis in bacteria, which gives them antimicrobial properties. They are mainly used to treat bacterial infections, although their use has declined due to antimicrobial resistance. In addition to their use as antibiotics, sulphonamides also have applications in the treatment of diseases such as malaria and inflammatory bowel diseases. At CymitQuimica, we offer high-purity sulphonamides and their derivatives for research in microbiology and pharmaceutical development.

Products of "Sulfonamides and Derivatives"

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products per page.Found 2075 products on this category.
  • Quinine

    CAS:
    Quinine is a natural cinchona alkaloid that has been used for centuries in the prevention and therapy of malaria.
    Formula:C20H24N2O2
    Purity:99.93% - 99.97%
    Color and Shape:White Solid Powder
    Molecular weight:324.42

    Ref: TM-T0690

    1g
    51.00€
    500mg
    47.00€
    1mL*10mM (DMSO)
    50.00€
  • Bumetanide Impurity 24


    Formula:C7H5NO7S
    Molecular weight:247.18

    Ref: 4Z-B-5134

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  • 4-Hydroxy Nimesulide

    CAS:
    Formula:C13H12N2O6S
    Color and Shape:Pale Yellow Solid
    Molecular weight:324.31

    Ref: 4Z-N-081

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  • Bromfenac Impurity 33


    Formula:C30H18Br2N2O3
    Molecular weight:614.29

    Ref: 4Z-B-4740

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  • Paracetamol (Acetaminophen) Impurity 9

    CAS:
    Formula:C6H4ClNO2
    Color and Shape:Pale Yellow Solid
    Molecular weight:157.55

    Ref: 4Z-A-0240

    5mg
    300.00€
    10mg
    477.00€
    25mg
    681.00€
    50mg
    885.00€
    100mg
    1,237.00€
  • Hydrochlorothiazide Impurity 28

    CAS:
    Formula:C6H7ClN2O2S
    Molecular weight:206.64

    Ref: 4Z-H-0546

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  • Torasemide (Torsemide) Impurity 11

    CAS:
    Formula:C16H20N4O4S
    Molecular weight:364.42

    Ref: 4Z-T-1121

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  • Ozagrel Impurity 11


    Formula:C17H16N4O2
    Molecular weight:308.341

    Ref: 4Z-O-076015

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  • Aceclofenac Acyl Glucuronide


    Formula:C22H21Cl2NO10
    Molecular weight:530.31

    Ref: 4Z-A-3822

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  • Ibuprofen Impurity 25


    Formula:C12H16O3
    Molecular weight:208.26

    Ref: 4Z-I-0480

    5mg
    1,563.00€
    10mg
    2,604.00€
    25mg
    4,687.00€
    50mg
    7,746.00€
    100mg
    12,758.00€
  • Nicosulfuron

    CAS:
    Formula:C15H18N6O6S
    Molecular weight:410.41

    Ref: 4Z-N-071001

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  • Glimepiride

    CAS:
    Color and Shape:Neat

    Ref: 86-MM0647.00

    250mg
    3,865.00€
  • Metolazone EP Impurity E

    CAS:
    Formula:C14H14ClN3O3S
    Color and Shape:Off-White Solid
    Molecular weight:339.79

    Ref: 4Z-M-744

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  • Paracetamol EP Impurity M HCl

    CAS:
    Formula:C12H11NO2·HCl
    Color and Shape:Brown Solid
    Molecular weight:201.23 36.46

    Ref: 4Z-A-0234

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  • Indapamide EP Impurity C HCl

    CAS:
    Formula:C9H12N2·HCl
    Color and Shape:Red Solid
    Molecular weight:148.21 36.46

    Ref: 4Z-I-1313

    5mg
    309.00€
    10mg
    496.00€
    25mg
    709.00€
    50mg
    881.00€
    100mg
    1,288.00€
  • Flufenamic Acid Isopropyl Ester

    Controlled Product
    CAS:
    Formula:C17H16F3NO2
    Color and Shape:Neat
    Molecular weight:323.31

    Ref: 86-MM0410.03

    100mg
    1,661.00€
  • 1,1-Bis(p-isobutylphenyl)ethane

    Controlled Product
    CAS:
    Formula:C22H30
    Color and Shape:Neat
    Molecular weight:294.47

    Ref: TR-B448875

    1g
    2,026.00€
    100mg
    292.00€
  • Etodolac

    CAS:
    Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi
    Formula:C17H21NO3
    Color and Shape:White Powder
    Molecular weight:287.15214

    Ref: 45-1268706

    400mg
    471.00€
  • N-Nitroso Aceclofenac-d4


    Formula:C16H8D4Cl2N2O5
    Molecular weight:387.21

    Ref: 4Z-A-3821

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  • Nafamostat

    CAS:
    Formula:C19H17N5O2
    Molecular weight:347.38

    Ref: 4Z-N-135002

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  • Ref: 86-MM1379.04

    25mg
    298.00€
  • Metolazone Impurity 1


    Formula:C13H18ClNO5S
    Molecular weight:335.80

    Ref: 4Z-M-749

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  • Bendroflumethiazide

    CAS:
    Formula:C15H14F3N3O4S2
    Molecular weight:421.41

    Ref: 4Z-B-316

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  • 5-Methylisoxazol-3-amine

    CAS:
    Formula:C4H6N2O
    Color and Shape:Neat
    Molecular weight:98.10

    Ref: 86-MM0227.02

    25mg
    473.00€
    100mg
    612.00€
  • N-Nitroso rac-cis Dorzolamide


    Formula:C10H15N3O5S3
    Molecular weight:353.43

    Ref: 4Z-D-6462

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  • Hydrochlorothiazide Impurity 42

    CAS:
    Formula:C6H6Cl2N2O4S2
    Molecular weight:305.14

    Ref: 4Z-H-0561

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  • Acetaminophen-d3 (Paracetamol-d3)

    CAS:
    Formula:C8H6D3NO2
    Color and Shape:Off-White Solid
    Molecular weight:154.18

    Ref: 4Z-A-021

    1g
    10,052.00€
    5mg
    375.00€
    10mg
    545.00€
    25mg
    885.00€
    50mg
    1,237.00€
    100mg
    2,148.00€
  • Glipizide Impurity 10

    CAS:
    Formula:C12H17N3O
    Color and Shape:White To Off-White Solid
    Molecular weight:219.29

    Ref: 4Z-G-1121

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  • Dorzolamide Impurity 27

    CAS:
    Formula:C8H10O3S2
    Molecular weight:218.29

    Ref: 4Z-D-6436

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  • Piroxicam Impurity 5


    Formula:C15H13N3O5S
    Molecular weight:347.35

    Ref: 4Z-P-2521

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  • Nimesulide EP Impurity D

    CAS:
    Formula:C12H10N2O3
    Color and Shape:Yellow Solid
    Molecular weight:230.22

    Ref: 4Z-N-086

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  • N-Nitroso Metolazone


    Formula:C16H15ClN4O4S
    Molecular weight:394.83

    Ref: 4Z-M-748

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  • Furosemide Impurity 20

    CAS:
    Formula:C7H6Cl2N2O3S
    Molecular weight:269.10

    Ref: 4Z-F-2130

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  • Furosemide Impurity 6

    CAS:
    Formula:C12H10ClNO3
    Color and Shape:Pale Brown Solid
    Molecular weight:251.67

    Ref: 4Z-F-2114

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  • Glipizide EP Impurity F

    CAS:
    Formula:C11H16N2O4S
    Color and Shape:White To Off-White Solid
    Molecular weight:272.32

    Ref: 4Z-G-113

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  • Sulfasalazine EP Impurity I

    CAS:
    Formula:C13H10N2O6S
    Color and Shape:Red-Brown Solid
    Molecular weight:322.29

    Ref: 4Z-S-3311

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  • Metolazone EP Impurity C

    CAS:
    Formula:C15H14ClN3O3S
    Color and Shape:White To Off-White Solid
    Molecular weight:351.81

    Ref: 4Z-M-743

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  • Mefenamic Acid Methyl Ester

    Controlled Product
    CAS:
    Formula:C16H17NO2
    Color and Shape:Neat
    Molecular weight:255.31

    Ref: 86-MM0327.07

    25mg
    1,296.00€
    100mg
    1,661.00€
  • Sulfadoxine

    CAS:
    Formula:C12H14N4O4S
    Molecular weight:310.33

    Ref: 4Z-S-060001

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  • Brinzolamide Impurity 34


    Formula:C14H25N3O6S3
    Molecular weight:427.55

    Ref: 4Z-B-2047

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  • Indapamide Impurity 21


    Formula:C23H20Cl2N4O6S2
    Color and Shape:Pale Yellow Solid
    Molecular weight:583.46

    Ref: 4Z-I-1335

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  • 5-Amino-1,3,4-thiadiazole-2-thiol

    Controlled Product
    CAS:
    Impurity Acetazolamide EP Impurity G Applications 5-Amino-1,3,4-thiadiazole-2-thiol is a thiadiazole derivative with antibacterial acitivity used in the preparation of herbicides as well as carbonic anhydrase inhibitors. (Acetazolamide EP Impurity G) References Li, Z. et al.: Ying. Huax., 5, 54 (1988); Supuran, C. et al.: Rev. Roum. Chim., 40, 1227 (1995);
    Formula:C2H3N3S2
    Color and Shape:White To Beige
    Molecular weight:133.19

    Ref: TR-A633300

    1g
    101.00€
    100g
    237.00€
  • Tolbutamide Sodium

    CAS:
    Formula:C12H17N2O3S·Na
    Molecular weight:269.34 22.99

    Ref: 4Z-T-046

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  • Acetaminophen-d3 Glucuronide Sodium Salt

    CAS:
    Formula:C14H13D3NO8·Na
    Molecular weight:329.30 22.99

    Ref: 4Z-A-0243

    5mg
    885.00€
    10mg
    1,432.00€
    25mg
    2,539.00€
    50mg
    4,231.00€
    100mg
    7,030.00€
  • Sulfamide Related Compound 1 HCl

    CAS:
    Formula:C3H7ClN2O3S·HCl
    Molecular weight:186.61 36.46

    Ref: 4Z-S-175001

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  • Dorzolamide-d5

    CAS:
    Formula:C10H11D5N2O4S3
    Color and Shape:White To Off-White Solid
    Molecular weight:329.47

    Ref: 4Z-D-646

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  • Chlortalidone Impurity 11


    Formula:C14H14ClN3O3S
    Molecular weight:339.79

    Ref: 4Z-C-140024

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  • Saccharin Impurity 2


    Formula:C13H18N2O5S
    Molecular weight:314.36

    Ref: 4Z-S-052003

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  • Nafamostat Impurity 5

    CAS:
    Formula:C12H6N2O
    Molecular weight:194.19

    Ref: 4Z-N-135008

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  • (2RS)-2-(4-Butylphenyl)propanoic Acid

    Controlled Product
    CAS:
    Formula:C13H18O2
    Color and Shape:Neat
    Molecular weight:206.28

    Ref: 86-MM0002.01

    100mg
    1,961.00€
  • Paracetamol (Acetaminophen) EP Impurity B (Acetaminophen USP Related Compound B)

    CAS:
    Formula:C9H11NO2
    Color and Shape:White To Off-White Solid
    Molecular weight:165.19

    Ref: 4Z-A-0216

    5mg
    309.00€
    10mg
    496.00€
    25mg
    709.00€
    50mg
    881.00€
    100mg
    1,288.00€
  • 3-Phenyl Pyridazine

    CAS:
    Formula:C10H8N2
    Molecular weight:156.19

    Ref: 4Z-S-107003

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  • Vaborbactam Impurity 1


    Formula:C12H16BNO5S
    Molecular weight:297.13

    Ref: 4Z-V-086005

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  • Triflumuron Impurity 1


    Formula:C9H7Br2F3O
    Molecular weight:347.96

    Ref: 4Z-T-398002

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  • Chlortalidone EP Impurity F Sodium Salt (Mixture of Diastereomers)

    CAS:
    Formula:C28H18Cl2N3O8S2·Na
    Molecular weight:659.49 22.99

    Ref: 4Z-C-140009

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  • 2-Amino-5-(4-hydroxy-3,5-dimethoxybenzyl)pyrimidin-4-ol

    Controlled Product
    CAS:
    Formula:C13H15N3O4
    Color and Shape:Neat
    Molecular weight:277.28

    Ref: 86-MM0093.05

    25mg
    466.00€
    100mg
    1,855.00€
  • 4-Isobutyrylacetophenone

    Controlled Product
    CAS:
    Formula:C12H14O2
    Color and Shape:Neat
    Molecular weight:190.24

    Ref: 86-MM0002.09

    25mg
    929.00€
    100mg
    1,596.00€
  • 2-(4-Isobutyrylphenyl)propanamide

    Controlled Product
    CAS:
    Formula:C13H17NO2
    Color and Shape:Neat
    Molecular weight:219.28

    Ref: 86-MM0002.07

    25mg
    1,291.00€
    4x25mg
    5,162.00€
  • 17-epi Limaprost


    Formula:C22H36O5
    Molecular weight:380.53

    Ref: 4Z-L-099005

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  • Metolazone

    CAS:
    Formula:C16H16ClN3O3S
    Color and Shape:White To Off-White Solid
    Molecular weight:365.83

    Ref: 4Z-M-741

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  • [ethyl(methyl)sulfamoyl]amine

    CAS:
    Purity:95%
    Molecular weight:138.19000244140625

    Ref: 10-F641150

    1g
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    50mg
    211.00€
    100mg
    324.00€
    250mg
    528.00€
    500mg
    843.00€
  • Indomethacin Impurity 8


    Formula:C18H15ClN2O4
    Molecular weight:358.78

    Ref: 4Z-I-1222

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  • Ozagrel Impurity 25


    Formula:C15H16N2O2
    Molecular weight:256.31

    Ref: 4Z-O-076029

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  • Amtolmetin Guacil

    CAS:
    Formula:C24H24N2O5
    Molecular weight:420.47

    Ref: 4Z-A-245001

    5mg
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  • Ozagrel Impurity 9

    CAS:
    Formula:C12H14O3
    Color and Shape:White To Off-White Solid
    Molecular weight:206.24

    Ref: 4Z-O-076013

    5mg
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  • Penoxsulam-d6

    CAS:
    Formula:C16H8D6F5N5O5S
    Color and Shape:White To Off-White Solid
    Molecular weight:489.41

    Ref: 4Z-P-273005

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  • Triamterene

    Controlled Product
    CAS:
    Formula:C12H11N7
    Color and Shape:Neat
    Molecular weight:253.26

    Ref: 86-MM0269.00

    500mg
    1,587.00€
  • 8-Methylquinoline

    CAS:
    Formula:C10H9N
    Molecular weight:143.19

    Ref: 4Z-Q-0321

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  • Piroxicam EP Impurity B HCl

    CAS:
    Formula:C14H11N3O4S·HCl
    Color and Shape:Yellow Solid
    Molecular weight:317.33 36.46

    Ref: 4Z-P-2510

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  • Indomethacin Impurity 9

    CAS:
    Formula:C22H22ClNO6
    Color and Shape:Pale Yellow Solid
    Molecular weight:431.87

    Ref: 4Z-I-1223

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  • N-Desethyl Brinzolamide-d3


    Formula:C10H14D3N3O5S3
    Molecular weight:358.47

    Ref: 4Z-B-204

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  • Mefenamic Acid Impurity 7


    Formula:C13H8Cl2O2
    Molecular weight:267.11

    Ref: 4Z-M-0117

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  • Bromfenac Impurity 47


    Formula:C15H8BrCl2NO2
    Molecular weight:385.04

    Ref: 4Z-B-4754

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  • Saccharin

    CAS:
    Saccharin (O-Sulfobenzimide) is a flavoring agent and non-nutritive sweetener.
    Formula:C7H5NO3S
    Purity:98.51%
    Color and Shape:White Solid Amorphous Powder
    Molecular weight:183.18

    Ref: TM-T0889

    500mg
    48.00€
  • Ibuprofen Ester Impurity


    Formula:C22H29NO2
    Molecular weight:339.48

    Ref: 4Z-I-0448

    5mg
    443.00€
    10mg
    749.00€
    25mg
    1,237.00€
    50mg
    2,148.00€
    100mg
    3,385.00€
  • Ibuprofen Impurity 31

    CAS:
    Formula:C18H27ClO2
    Molecular weight:310.86

    Ref: 4Z-I-0482

    5mg
    440.00€
    10mg
    745.00€
    25mg
    1,230.00€
    50mg
    2,136.00€
    100mg
    3,366.00€
  • Indomethacin Impurity 15 Sodium Salt

    CAS:
    Formula:C7H7N2O4S·Na
    Molecular weight:215.20 22.99

    Ref: 4Z-I-1229

    5mg
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    10mg
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    25mg
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    50mg
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    100mg
    To inquire
  • Methazolamide Impurity 1


    Formula:C8H11N7O5S4
    Molecular weight:413.46

    Ref: 4Z-M-714

    5mg
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    10mg
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    25mg
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    50mg
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    100mg
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  • 5-Hydroxy Etodolac

    CAS:
    Formula:C17H21NO4
    Molecular weight:303.36

    Ref: 4Z-E-0526

    5mg
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    10mg
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    25mg
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    50mg
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    100mg
    To inquire
  • Chlortalidone (Chlorthalidone) EP Impurity I


    Formula:C17H16ClNO5S
    Color and Shape:White To Off-White Solid
    Molecular weight:381.83

    Ref: 4Z-C-140006

    5mg
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    10mg
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    100mg
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  • Quinine dihydrochloride

    CAS:
    Quinine dihydrochloride (Quinine bimuriate) is a primary alkaloid of various species of Cinchona (Rubiaceae).
    Formula:C20H26Cl2N2O2
    Purity:99.45% - 99.97%
    Color and Shape:White Solid
    Molecular weight:397.34

    Ref: TM-T4333

    1g
    150.00€
    25mg
    35.00€
    50mg
    44.00€
    100mg
    55.00€
    500mg
    104.00€
    1mL*10mM (DMSO)
    49.00€
  • Indomethacin Impurity 26 (Mixture of Diastereomers)

    CAS:
    Formula:C11H15NO
    Molecular weight:177.25

    Ref: 4Z-I-1244

    5mg
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    100mg
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  • Glipizide Impurity 6


    Formula:C32H27Cl3N2O8S
    Color and Shape:White To Off-White Solid
    Molecular weight:705.98

    Ref: 4Z-G-1117

    5mg
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  • Etodolac EP Impurity A

    CAS:
    Formula:C15H17NO3
    Molecular weight:259.31

    Ref: 4Z-E-057

    5mg
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    100mg
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  • Gliclazide EP Impurity C

    CAS:
    Formula:C10H13NO4S
    Color and Shape:White To Off-White Solid
    Molecular weight:243.28

    Ref: 4Z-G-056

    5mg
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    100mg
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  • Bromfenac Impurity 48


    Formula:C16H11BrClNO
    Color and Shape:Yellow Solid
    Molecular weight:348.62

    Ref: 4Z-B-4755

    5mg
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  • N-Nitroso Mefenamic Acid Sodium Salt

    CAS:
    Formula:C15H13N2O3·Na
    Color and Shape:Pale Yellow Solid
    Molecular weight:269.28 22.99

    Ref: 4Z-M-0121

    5mg
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    100mg
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  • Ibuprofen Impurity 33


    Formula:C18H28O2
    Molecular weight:276.42

    Ref: 4Z-I-0485

    5mg
    409.00€
    10mg
    681.00€
    25mg
    1,107.00€
    50mg
    1,823.00€
    100mg
    2,864.00€
  • Triclocarban

    CAS:
    Triclocarban (Cutisan), an antimicrobial agent, is used in personal cleaning products.
    Formula:C13H9Cl3N2O
    Purity:97.88%
    Color and Shape:White Fine Powder
    Molecular weight:315.58

    Ref: TM-T4504

    1g
    37.00€
    5g
    77.00€
    10g
    97.00€
  • Flufenamic Acid Impurity 2

    CAS:
    Formula:C14H10F3NO2S
    Molecular weight:313.30

    Ref: 4Z-F-100004

    5mg
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    100mg
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  • Glipizide Impurity 13

    CAS:
    Formula:C20H33N3O6S
    Molecular weight:443.56

    Ref: 4Z-G-1124

    5mg
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    100mg
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  • Trimethoprim Impurity 5

    CAS:
    Formula:C14H18N4O4
    Molecular weight:306.32

    Ref: 4Z-T-7017

    5mg
    440.00€
    10mg
    745.00€
    25mg
    1,230.00€
    50mg
    2,136.00€
    100mg
    3,366.00€
  • 1-Amino-2-methylindoline

    Controlled Product
    CAS:
    Formula:C9H12N2
    Color and Shape:Neat
    Molecular weight:148.20

    Ref: TR-A634523

    1g
    596.00€
    5g
    2,225.00€
    250mg
    179.00€
  • Ref: 4Z-T-1137

    5mg
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    100mg
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  • Dapsone Impurity 17 (N-Formyl Dapsone)

    CAS:
    Formula:C13H12N2O3S
    Molecular weight:276.31

    Ref: 4Z-D-0122

    5mg
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  • Ibuprofen EP Impurity B Sodium Salt

    CAS:
    Formula:C13H17O2·Na
    Color and Shape:White To Off-White Solid
    Molecular weight:205.28 22.99

    Ref: 4Z-I-0455

    5mg
    309.00€
    10mg
    496.00€
    25mg
    633.00€
    50mg
    881.00€
    100mg
    1,288.00€
  • Ibuprofen Ester Impurity (PEG600)

    CAS:
    Formula:C13H18O2C2H4On
    Color and Shape:Pale Yellow Oil
    Molecular weight:206.29[44.05]n

    Ref: 4Z-I-0474

    5mg
    440.00€
    10mg
    745.00€
    25mg
    1,230.00€
    50mg
    2,136.00€
    100mg
    3,366.00€
  • Quinine-d3

    CAS:
    Formula:C20H21D3N2O2
    Color and Shape:White To Off-White Solid
    Molecular weight:327.44

    Ref: 4Z-Q-031

    5mg
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    100mg
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  • Indapamide Impurity 26


    Formula:C16H14ClN3O5S
    Molecular weight:395.81

    Ref: 4Z-I-1342

    5mg
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  • Sulfamethoxazole

    CAS:
    Color and Shape:Neat

    Ref: 86-MM0227.00

    250mg
    1,084.00€
  • Gliquidone Impurity 22


    Formula:C27H33N3O6S
    Molecular weight:527.64

    Ref: 4Z-G-050024

    5mg
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  • Dapsone Impurity 13

    CAS:
    Formula:C12H12N2OS
    Molecular weight:232.30

    Ref: 4Z-D-0118

    5mg
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  • N,N-Dimethylnicotinamide-2-sulfonamide

    Controlled Product
    CAS:
    Applications N,N-Dimethylnicotinamide-2-sulfonamide (cas# 112006-75-4) is a compound useful in organic synthesis.
    Formula:C8H11N3O3S
    Color and Shape:Neat
    Molecular weight:229.26

    Ref: TR-D480398

    1g
    174.00€
    100mg
    105.00€
    250mg
    131.00€
  • Prothionamide Sulfoxide


    Formula:C9H12N2OS
    Molecular weight:196.27

    Ref: 4Z-P-612

    5mg
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  • Sulfamethoxazole Impurity 3

    CAS:
    Formula:C10H9N3O5S
    Molecular weight:283.26

    Ref: 4Z-S-5012

    5mg
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    100mg
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  • N-Nitroso Trimethoprim EP Impurity A


    Formula:C15H19N5O4
    Molecular weight:333.35

    Ref: 4Z-T-7026

    5mg
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  • Bumetanide Impurity 15


    Formula:C17H18N2O7S
    Molecular weight:394.40

    Ref: 4Z-B-5125

    5mg
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  • N-Methylsaccharin

    Controlled Product
    CAS:
    Formula:C8H7NO3S
    Color and Shape:Neat
    Molecular weight:197.21

    Ref: 86-MM0084.13

    25mg
    1,744.00€
    100mg
    2,469.00€
  • 4-Amino-5-(3,4,5-trimethoxybenzyl)pyrimidin-2-ol

    Controlled Product
    CAS:
    Formula:C14H17N3O4
    Color and Shape:Neat
    Molecular weight:291.30

    Ref: 86-MM0093.03

    25mg
    1,009.00€
    100mg
    1,374.00€
  • Bumetanide Impurity 18 (Glucose Adduct)


    Formula:C23H30N2O10S
    Molecular weight:526.56

    Ref: 4Z-B-5128

    5mg
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  • Saccharin Impurity 3


    Formula:C13H18N2O5S
    Color and Shape:White To Off-White Solid
    Molecular weight:314.36

    Ref: 4Z-S-052004

    5mg
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  • Phenacetin Impurity 14

    CAS:
    Formula:C12H8Cl2N2
    Molecular weight:251.110

    Ref: 4Z-P-340015

    5mg
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  • Dapsone Impurity 20

    CAS:
    Formula:C12H11NO4S
    Molecular weight:265.28

    Ref: 4Z-D-0130

    5mg
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    100mg
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  • Limaprost Impurity 15


    Formula:C22H36O5
    Molecular weight:380.53

    Ref: 4Z-L-099021

    5mg
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  • Zonisamide Metabolite Sulfate


    Formula:C8H9NO7S2
    Molecular weight:295.28

    Ref: 4Z-Z-0312

    5mg
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  • Bumetanide Impurity 25


    Formula:C13H10N2O5S
    Molecular weight:306.29

    Ref: 4Z-B-5135

    5mg
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    100mg
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  • Bromfenac Impurity 53


    Formula:C15H10BrNO2
    Molecular weight:316.15

    Ref: 4Z-B-4760

    5mg
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    50mg
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    100mg
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  • 2-[4-(2-Hydroxy-2-methylpropyl)phenyl]propanoic Acid (2-Hydroxyibuprofen)

    Controlled Product
    CAS:
    Formula:C13H18O3
    Color and Shape:Neat
    Molecular weight:222.28

    Ref: 86-MM0002.32

    25mg
    867.00€
    100mg
    1,735.00€
  • Trimethoprim Impurity 4

    CAS:
    Formula:C15H20N4O3
    Molecular weight:304.35

    Ref: 4Z-T-7012

    5mg
    373.00€
    10mg
    542.00€
    25mg
    880.00€
    50mg
    1,230.00€
    100mg
    2,136.00€
  • Phenacetin Impurity 3

    CAS:
    Formula:C14H13ClN2O2
    Molecular weight:276.72

    Ref: 4Z-P-340004

    5mg
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  • Bromfenac Impurity 52


    Formula:C15H8BrCl2NO
    Molecular weight:369.04

    Ref: 4Z-B-4759

    5mg
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    100mg
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  • N-Nitroso Metamizole Impurity 14


    Formula:C12H14N4O5S
    Molecular weight:326.33

    Ref: 4Z-M-5327

    5mg
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  • 4-Hydroxy Metsulfuron-Methyl

    CAS:
    Formula:C14H15N5O7S
    Molecular weight:397.36

    Ref: 4Z-M-221015

    5mg
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  • N-Methyl Etodolac

    CAS:
    Formula:C18H23NO3
    Color and Shape:Off-White To White Solid
    Molecular weight:301.39

    Ref: 4Z-E-051

    5mg
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  • Ibuprofen Lysinate

    CAS:
    Formula:C13H18O2·C6H14N2O2
    Color and Shape:White To Off-White Solid
    Molecular weight:206.29 146.19

    Ref: 4Z-I-043

    5mg
    224.00€
    10mg
    373.00€
    25mg
    474.00€
    50mg
    677.00€
    100mg
    971.00€
  • 4-Hydroxy-N-(pyridin-2-yl)-2H-1,2-benzothiazine-3-carboxamide 1,1-Dioxide

    Controlled Product
    CAS:
    Formula:C14H11N3O4S
    Color and Shape:Neat
    Molecular weight:317.32

    Ref: 86-MM0084.08

    25mg
    1,027.00€
    100mg
    1,601.00€
  • Etodolac Impurity 2


    Formula:C17H22BrNO2
    Molecular weight:352.27

    Ref: 4Z-E-0523

    5mg
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    100mg
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  • Sulthiame-d4

    CAS:
    Formula:C10H10D4N2O4S2
    Color and Shape:Off-White Solid
    Molecular weight:294.38

    Ref: 4Z-S-196002

    5mg
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    100mg
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  • Xipamide

    CAS:
    Formula:C15H15ClN2O4S
    Color and Shape:Neat
    Molecular weight:354.81

    Ref: 86-MM1214.00

    250mg
    1,662.00€
  • Torasemide (Torsemide) Impurity 23


    Formula:C10H8ClN3O5S2
    Molecular weight:349.76

    Ref: 4Z-T-1130

    5mg
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    100mg
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  • Ibuprofen EP Impurity B

    CAS:
    Formula:C13H18O2
    Color and Shape:Colorless Liquid
    Molecular weight:206.29

    Ref: 4Z-I-048

    5mg
    309.00€
    10mg
    496.00€
    25mg
    709.00€
    50mg
    881.00€
    100mg
    1,288.00€
  • Chlortalidone Impurity 4

    CAS:
    Formula:C14H10ClNO3
    Molecular weight:275.69

    Ref: 4Z-C-140016

    5mg
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    100mg
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  • Indapamide Impurity 2

    CAS:
    Formula:C7H7ClN2O3S
    Color and Shape:White To Off-White Solid
    Molecular weight:234.65

    Ref: 4Z-I-1316

    5mg
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  • Nafamostat Mesylate

    CAS:
    Formula:C19H17N5O2·2CH4O3S
    Molecular weight:347.38 2*96.11

    Ref: 4Z-N-135001

    5mg
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  • O-Demethyl Tribenuron

    CAS:
    Formula:C13H13N5O6S
    Molecular weight:367.34

    Ref: 4Z-T-275004

    5mg
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  • Gliquidone Impurity 4

    CAS:
    Formula:C12H16O3
    Molecular weight:208.26

    Ref: 4Z-G-050006

    5mg
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  • Terizidone

    CAS:
    Terizidone is a derivate of cycloserine with bacteriostatic activity.
    Formula:C14H14N4O4
    Color and Shape:Solid
    Molecular weight:302.29

    Ref: TM-T28949

    2mg
    58.00€
    5mg
    96.00€
  • Nafamostat Impurity 14


    Formula:C26H22N6O3
    Molecular weight:466.50

    Ref: 4Z-N-135017

    5mg
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    100mg
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  • 2-[4-(1-Hydroxy-2-methylpropyl)phenyl]propanoic Acid (1-Hydroxyibuprofen)

    Controlled Product
    CAS:
    Formula:C13H18O3
    Color and Shape:Neat
    Molecular weight:222.28

    Ref: 86-MM0002.24

    25mg
    1,200.00€
    100mg
    1,643.00€
  • Glimepiride Impurity 5

    CAS:
    Formula:C8H14O3
    Molecular weight:158.20

    Ref: 4Z-G-0623

    5mg
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  • Torasemide (Torsemide) Impurity 8


    Formula:C32H40N10O5S2
    Molecular weight:708.86

    Ref: 4Z-T-1118

    5mg
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    100mg
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  • 2-(4-Isopropylphenyl)Acrylic Acid


    Formula:C13H16O2
    Molecular weight:204.27

    Ref: 4Z-I-0424

    5mg
    406.00€
    10mg
    677.00€
    25mg
    1,101.00€
    50mg
    1,813.00€
    100mg
    2,848.00€
  • Etodolac Impurity 10


    Formula:C17H21NO3
    Molecular weight:287.36

    Ref: 4Z-E-0536

    5mg
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  • Metamizole Impurity 4

    CAS:
    Formula:C13H17N3O2
    Molecular weight:247.30

    Ref: 4Z-M-5315

    5mg
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  • N1, N2-Dinitroso Dorzolamide EP Impurity D


    Formula:C8H10N4O6S3
    Molecular weight:354.37

    Ref: 4Z-D-6461

    5mg
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  • 3-(p-Chlorophenyl)-3-hydroxyphthalimidine

    Controlled Product
    CAS:
    Applications 3-(p-Chlorophenyl)-3-hydroxyphthalimidine is an analog of Chlorthalidone (C427500) and has potential antidiuretic and hyperglycemic activities. References Wales, J.K., et al.: P. Soc. Exp. Biol. Med., 128, 581 (1968)
    Formula:C14H10ClNO2
    Color and Shape:White To Off-White
    Molecular weight:259.69

    Ref: TR-C381075

    100mg
    135.00€
    250mg
    273.00€
    500mg
    472.00€
  • Hydroflumethiazide

    CAS:
    Formula:C8H8F3N3O4S2
    Color and Shape:Neat
    Molecular weight:331.29

    Ref: 86-MM3099.00

    100mg
    2,288.00€
  • Gliquidone Impurity 7

    CAS:
    Formula:C12H16O3
    Molecular weight:208.26

    Ref: 4Z-G-050009

    5mg
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  • Metribuzin

    CAS:
    Formula:C8H14N4OS
    Molecular weight:214.29

    Ref: 4Z-M-163001

    5mg
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  • Acetaminophen-d3 mercapturate

    CAS:
    Formula:C11H11D3N2O4S
    Molecular weight:273.33

    Ref: 4Z-A-026

    5mg
    1,392.00€
    10mg
    2,330.00€
    25mg
    4,272.00€
    50mg
    7,120.00€
    100mg
    11,650.00€
  • N-Methyl Zonisamide

    CAS:
    Formula:C9H10N2O3S
    Color and Shape:White To Off-White Solid
    Molecular weight:226.25

    Ref: 4Z-Z-034

    5mg
    309.00€
    10mg
    496.00€
    25mg
    709.00€
    50mg
    881.00€
    100mg
    1,288.00€
  • 2-[(1RS)-1-Ethyl-8-methyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl]acetic Acid (8-Methyl Etodolac)

    Controlled Product
    CAS:
    Formula:C16H19NO3
    Color and Shape:Neat
    Molecular weight:273.33

    Ref: 86-MM0911.02

    25mg
    1,194.00€
    100mg
    1,675.00€
  • Phenacetin Impurity 1 (4,4'-Azoxydiphenol)

    CAS:
    Formula:C12H10N2O3
    Molecular weight:230.22

    Ref: 4Z-P-340002

    5mg
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  • Acemetacin EP Impurity D

    CAS:
    Formula:C25H26ClNO6
    Color and Shape:White To Off-White Solid
    Molecular weight:471.93

    Ref: 4Z-A-445

    5mg
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    100mg
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  • Glimepiride Impurity 1


    Formula:C17H26N4O4S
    Color and Shape:White To Off-White Solid
    Molecular weight:382.49

    Ref: 4Z-G-0619

    5mg
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  • N-Nitroso Quinicine


    Formula:C20H23N3O3
    Molecular weight:353.42

    Ref: 4Z-Q-0323

    5mg
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  • N-Methyl zonisamide

    CAS:
    N-Methyl zonisamide is a drug that is an impurity in Zonisamide. It is an analog of the drug and has been used as a research and development standard for Zonisamide. N-Methyl zonisamide can be synthesized from the corresponding nitrobenzene, aminobenzene, and formaldehyde. The synthesis can be performed by converting nitrobenzene to aminobenzene with sodium hydroxide in methanol, followed by conversion to N-methyl zonisamide with formaldehyde in ethanol. Pharmacopoeia standards for this compound are available from Sigma Aldrich, which can be purchased from our website.
    Formula:C9H10N2O3S
    Purity:Min. 95 Area-%
    Color and Shape:Powder
    Molecular weight:226.25 g/mol

    Ref: 3D-IM25576

    10mg
    317.00€
    25mg
    482.00€
    50mg
    832.00€
    100mg
    1,424.00€
    250mg
    2,523.00€
  • Brinzolamide Impurity 5


    Formula:C14H22ClNO5S2
    Molecular weight:383.90

    Ref: 4Z-B-2015

    5mg
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  • 1,2,5-Thiadiazolidine 1,1-dioxide

    CAS:
    Purity:95.0%
    Color and Shape:Solid, White powder
    Molecular weight:122.13999938964844

    Ref: 10-F220299

    1g
    239.00€
    5g
    To inquire
    100mg
    49.00€
    250mg
    78.00€
  • Tolbutamide

    Controlled Product
    CAS:
    Formula:C12H18N2O3S
    Color and Shape:Neat
    Molecular weight:270.35

    Ref: 86-MM1089.00

    100mg
    1,662.00€
  • Tolnaftate Impurity 4 (2-Naphthyl Ether)

    CAS:
    Formula:C20H14O
    Molecular weight:270.33

    Ref: 4Z-T-112009

    5mg
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  • Hydrochlorothiazide-15N2-13C-d2

    CAS:
    Formula:C613CH6D2ClN15N2O4S2
    Color and Shape:White To Off-White Solid
    Molecular weight:302.72

    Ref: 4Z-H-051

    5mg
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  • Brinzolamide-d8


    Formula:C12H13D8N3O5S3
    Molecular weight:391.54

    Ref: 4Z-B-2046

    5mg
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  • Indomethacin Impurity 3 Sodium Salt

    CAS:
    Formula:C7H9N2O4S·Na
    Color and Shape:Pale Yellow Solid
    Molecular weight:217.22 22.99

    Ref: 4Z-I-128

    5mg
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  • Indomethacin Analogue


    Formula:C19H18ClNO3
    Molecular weight:343.81

    Ref: 4Z-I-127

    5mg
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  • Chlortalidone Impurity 2


    Formula:C14H9ClN2O3S
    Molecular weight:320.75

    Ref: 4Z-C-140014

    5mg
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  • N-CYCLOHEXYL-2-OXOOXAZOLIDINE-3-SULFONAMIDE

    CAS:
    Purity:95.0%
    Molecular weight:248.3000030517578

    Ref: 10-F306571

    1g
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    250mg
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  • Napropamid

    CAS:
    Formula:C17H21NO2
    Molecular weight:271.36

    Ref: 4Z-N-101001

    5mg
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  • N-Nitroso Metamizole EP Impurity C-13C-d3

    CAS:
    Formula:C1113CH11D3N4O2
    Molecular weight:250.28

    Ref: 4Z-M-5335

    5mg
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    50mg
    3,476.00€
    100mg
    5,751.00€
    200mg
    9,377.00€
  • N-Nitroso 5-Chloro Hydrochlorothiazide-1


    Formula:C7H6Cl2N4O5S2
    Molecular weight:361.17

    Ref: 4Z-H-0544

    5mg
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  • Bendroflumethiazide

    Controlled Product
    CAS:
    Formula:C15H14F3N3O4S2
    Color and Shape:Neat
    Molecular weight:421.41

    Ref: 86-MM0674.00

    100mg
    210.00€
  • Mefenamic Acid Impurity 2


    Formula:C16H19N3
    Molecular weight:253.35

    Ref: 4Z-M-0112

    5mg
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  • Ibuprofen EP Impurity P

    CAS:
    Formula:C13H20O
    Color and Shape:Colorless Liquid
    Molecular weight:192.30

    Ref: 4Z-I-0438

    5mg
    298.00€
    10mg
    474.00€
    25mg
    677.00€
    50mg
    880.00€
    100mg
    1,230.00€
  • Hydrochlorothiazide impurity C

    CAS:
    Hydrochlorothiazide is a sulfonamide that inhibits the activity of the enzyme, angiotensin-converting enzyme (ACE), which is responsible for converting angiotensin I to the potent vasoconstrictor, angiotensin II. It also has antihypertensive effects by blocking the production of aldosterone, which causes sodium retention and leads to high blood pressure. It is a byproduct in reactions with substances such as valsartan. Hydrochlorothiazide may react chemically with other medicines such as ampicillin and cefaclor.
    Formula:C15H16Cl2N6O8S4
    Purity:Min. 95%
    Color and Shape:White Powder
    Molecular weight:607.49 g/mol

    Ref: 3D-IA17850

    5mg
    719.00€
    10mg
    1,018.00€
    25mg
    1,299.00€
    50mg
    1,694.00€
    100mg
    2,474.00€
  • Chlorothiazide

    Controlled Product
    CAS:
    Formula:C7H6ClN3O4S2
    Color and Shape:Neat
    Molecular weight:295.72

    Ref: 86-MM0011.03

    500mg
    1,414.00€
  • Glipizide Impurity 7

    CAS:
    Formula:C6H6N2O2
    Color and Shape:Off-White Solid
    Molecular weight:138.13

    Ref: 4Z-G-1118

    5mg
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  • Chlortalidone EP Impurity B (Chlorthalidone USP Related Compound A)

    CAS:
    Formula:C14H10ClNO5S
    Color and Shape:White To Off-White Solid
    Molecular weight:339.75

    Ref: 4Z-C-140001

    5mg
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  • 2-[4-(2-Methylpropyl)phenyl]ethanol

    Controlled Product
    CAS:
    Formula:C12H18O
    Color and Shape:Neat
    Molecular weight:178.27

    Ref: 86-MM0002.36

    100mg
    875.00€
  • Triflumuron

    CAS:
    Formula:C15H10ClF3N2O3
    Molecular weight:358.70

    Ref: 4Z-T-398001

    5mg
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  • Mefenamic Acid-d4

    CAS:
    Formula:C15H11D4NO2
    Color and Shape:Pale Purple Solid
    Molecular weight:245.31

    Ref: 4Z-M-011

    5mg
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  • Glipizide Impurity 5


    Formula:C29H35N7O7S2
    Molecular weight:657.76

    Ref: 4Z-G-1139

    5mg
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  • Bromfenac-d4 Sodium Salt

    CAS:
    Formula:C15H7D4BrNO3·Na
    Color and Shape:Yellow Solid
    Molecular weight:337.19 22.99

    Ref: 4Z-B-472

    5mg
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  • N-Carbamoyl-2-methylbenzenesulfonamide (N-(Aminocarbonyl)-2-methylbenzenesulfonamide)

    Controlled Product
    CAS:
    Formula:C8H10N2O3S
    Color and Shape:Neat
    Molecular weight:214.24

    Ref: 86-MM0325.11

    25mg
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    100mg
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  • Indomethacin Impurity 30

    CAS:
    Formula:C6H8Cl2O3
    Molecular weight:199.03

    Ref: 4Z-I-1248

    5mg
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  • Tribenuron Impurity 1

    CAS:
    Formula:C6H10N4O
    Molecular weight:154.17

    Ref: 4Z-T-275005

    5mg
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  • N-Nitroso Flufenamic Acid

    CAS:
    Formula:C14H9F3N2O3
    Molecular weight:310.23

    Ref: 4Z-F-100005

    5mg
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  • (4R)-4-(Ethylamino)-2-(3-methoxypropyl)-3,4-dihydro-2H-thieno[3,2-e]-1,2-thiazine-6-(N-methylsulfonyl)sulfonamide 1,1-Dioxide (Brinzolamide Methanesulfonimide Analogue)

    Controlled Product

    Formula:C13H23N3O7S4
    Color and Shape:Neat
    Molecular weight:461.60

    Ref: 86-MM1300.06

    25mg
    505.00€
    100mg
    2,014.00€
  • Bromfenac Impurity 45

    CAS:
    Formula:C15H9Cl2NO
    Molecular weight:290.14

    Ref: 4Z-B-4752

    5mg
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  • Nafamostat Impurity 16

    CAS:
    Formula:C14H10N2O5
    Molecular weight:286.24

    Ref: 4Z-N-135019

    5mg
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  • Brinzolamide Impurity 16 HCl

    CAS:
    Formula:C10H17N3O5S3·HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:355.44 36.46

    Ref: 4Z-B-2026

    5mg
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  • Limaprost Impurity 3


    Formula:C34H56O8
    Molecular weight:592.82

    Ref: 4Z-L-099009

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  • (S)-Brinzolamide Impurity 27 HCl


    Formula:C11H19N3O5S3·HCl
    Molecular weight:369.48 36.46

    Ref: 4Z-B-2037

    5mg
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  • 1-(4-Isobutylphenyl)ethanol

    Controlled Product
    CAS:
    Formula:C12H18O
    Color and Shape:Neat
    Molecular weight:178.27

    Ref: 86-MM0002.50

    100mg
    2,239.00€
  • Bumetanide Impurity 22


    Formula:C17H17NO3
    Molecular weight:283.33

    Ref: 4Z-B-5132

    5mg
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  • Metribuzin Impurity 1

    CAS:
    Formula:C8H14N4O2
    Molecular weight:198.23

    Ref: 4Z-M-163003

    5mg
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  • Dapsone Impurity 22

    CAS:
    Formula:C12H8Cl2O2S
    Molecular weight:287.15

    Ref: 4Z-D-0132

    5mg
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  • Torasemide EP Impurity C

    CAS:
    Torasemide EP Impurity C is a drug product that is used as an analytical standard in the metabolism studies of torasemide. Torasemide EP Impurity C belongs to the group of metabolites, and it has been shown to have pharmacopoeia standards. Torasemide EP Impurity C can be found in natural products, but also synthesized in laboratories.
    Formula:C15H18N4O3S
    Purity:Min. 95%
    Molecular weight:334.39 g/mol

    Ref: 3D-IT177756

    2mg
    315.00€
    5mg
    391.00€
    10mg
    557.00€
    25mg
    1,055.00€
  • Indomethacin (Indometacin) EP Impurity J (Indomethacin Diamide)

    CAS:
    Formula:C33H27Cl2N3O5
    Color and Shape:Off-White Solid
    Molecular weight:616.50

    Ref: 4Z-I-125

    5mg
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  • Bumetanide N-β-D-Glucoside

    CAS:
    Formula:C23H30N2O10S
    Molecular weight:526.56

    Ref: 4Z-B-5150

    5mg
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