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APIs for research and impurities

APIs for research and impurities

Active Pharmaceutical Ingredients (APIs) are the substances in drugs responsible for their therapeutic effects. In this section, you will find a wide variety of APIs intended for research use. These compounds are essential for the development, testing, and validation of new pharmaceutical formulations. CymitQuimica offers high-quality APIs to support research in drug discovery and development.

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  • Oxaprozin Impurity 8


    Formula:C18H15NO4
    Molecular weight:309.32

    Ref: 4Z-O-044011

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  • Propanoic acid, 2-hydroxy-, compd. with 5-[(3,4,5-trimethoxyphenyl)methyl]-2,4-pyrimidinediamine (1:1)

    CAS:
    Formula:C17H24N4O6
    Purity:97%
    Color and Shape:Solid
    Molecular weight:380.3956599999999

    Ref: IN-DA002MOX

    10g
    40.00€
    25g
    62.00€
    100g
    118.00€
    500g
    248.00€
  • Methoxy-X04

    CAS:
    Formula:C23H20O3
    Purity:97%
    Color and Shape:Solid
    Molecular weight:344.4031

    Ref: IN-DA01DNTA

    1mg
    77.00€
    5mg
    163.00€
    25mg
    656.00€
    50mg
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  • Cefpirome Impurity 5

    CAS:
    Formula:C8H9N
    Molecular weight:119.17

    Ref: 4Z-C-296006

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  • CP 544326

    CAS:
    Formula:C24H22N4O5S
    Purity:98%
    Color and Shape:Solid
    Molecular weight:478.5203

    Ref: IN-DA00G3SQ

    25mg
    135.00€
    50mg
    163.00€
    100mg
    277.00€
    250mg
    559.00€
  • Ref: IN-DA00I48E

    1g
    563.00€
    10mg
    73.00€
    50mg
    134.00€
    100mg
    193.00€
    250mg
    162.00€
  • Fingolimod Impurity 49

    CAS:
    Formula:C9H15NO5
    Molecular weight:217.22

    Ref: 4Z-F-3267

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  • Melphalan Impurity 7


    Formula:C18H15NO4
    Molecular weight:309.32

    Ref: 4Z-M-8515

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  • Otilonium Bromide Impurity 18

    CAS:
    Formula:C29H42N2O4
    Molecular weight:482.67

    Ref: 4Z-O-2320

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  • Antazoline hydrochloride, Ph. Eur. grade

    CAS:
    Formula:C17H19N3·HCl
    Purity:(Titration) 99.0 - 101.0 % (dried basis)
    Color and Shape:White or almost white crystalline powder
    Molecular weight:301.82

    Ref: 7W-GP1289

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  • b,b-Carotene

    CAS:
    Formula:C40H56
    Purity:98%
    Color and Shape:Solid
    Molecular weight:536.8726

    Ref: IN-DA00IKGQ

    1g
    25.00€
    5g
    33.00€
    25g
    61.00€
    100g
    163.00€
  • Avibactam Impurity 2


    Formula:C7H9N3O9S2·2Na
    Molecular weight:343.28 2 22.99

    Ref: 4Z-A-192003

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  • Amlodipine Impurity 95


    Formula:C16H16ClNO6
    Molecular weight:353.76

    Ref: 4Z-A-08134

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  • Edoxaban Impurity 135 HBr

    CAS:
    Formula:C6H10BrNO·HBr
    Molecular weight:192.06 80.91

    Ref: 4Z-E-080155

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  • 2,3,5,6-Tetrabromocyclohexa-2,5-diene-1,4-dione

    CAS:
    Formula:C6Br4O2
    Purity:98%
    Color and Shape:Solid
    Molecular weight:423.679

    Ref: IN-DA003UMG

    1g
    21.00€
    5g
    52.00€
    25g
    127.00€
    100g
    354.00€
  • Brexpiprazole Impurity 24 Bromide

    CAS:
    Formula:C16H21N2S·Br
    Molecular weight:273.42 79.90

    Ref: 4Z-B-115027

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  • Ceftiofur Impurity 4

    CAS:
    Formula:C13H12N2O5S2sub
    Molecular weight:340.37

    Ref: 4Z-C-8613

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  • Metformin Impurity 19 HCl

    CAS:
    Formula:C10H13N3O2·HCl
    Molecular weight:207.23 36.46

    Ref: 4Z-M-4235

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  • Cefpodoxime Proxetil Impurity 4 (Mixture of Diastereomers)


    Formula:C23H29N5O11S2
    Color and Shape:White To Off-White Solid
    Molecular weight:615.63

    Ref: 4Z-C-8516

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  • Erythromycin Ethylsuccinate EP Impurity G


    Formula:C42H73NO16
    Color and Shape:White To Off-White Solid
    Molecular weight:848.04

    Ref: 4Z-E-2030

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  • Indobufen Impurity 19

    CAS:
    Formula:C8H10
    Molecular weight:112.08

    Ref: 4Z-I-5122

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  • Clodronate disodium salt hydrate

    CAS:
    Formula:CH2Cl2Na2O6P2·4H2O
    Purity:98.0 - 102.0 % (anhydrous basis)
    Color and Shape:White or off-white crystalline powder
    Molecular weight:288.86 (anhydrous)

    Ref: 7W-GP6103

    1g
    74.00€
  • Morphothion

    CAS:
    Morphothion is a potent anticancer drug that has been synthesized as an analog of capsaicin, a compound found in chili peppers. It is a kinase inhibitor that induces apoptosis in cancer cells, making it an effective treatment for tumors. Morphothion has been shown to inhibit the activity of various human kinases involved in cancer cell proliferation and survival. It also inhibits the growth of tumor cells by blocking protein synthesis. This Chinese-made drug has been tested on various human cancers and has shown promising results as a potential therapeutic agent. Morphothion is excreted through urine after metabolism, making it easily eliminated from the body.
    Formula:C8H16NO4PS2
    Purity:Min. 95%
    Molecular weight:285.3 g/mol

    Ref: 3D-AAA14441

    1g
    1,195.00€
    500mg
    798.00€
  • Cyclophosphamide Impurity 9


    Formula:C14H33ClN4O7P2
    Molecular weight:466.84

    Ref: 4Z-C-10223

    5mg
    2,784.00€
    10mg
    4,660.00€
    25mg
    8,544.00€
    50mg
    13,980.00€
    100mg
    23,041.00€
  • Acotiamide Impurity 47

    CAS:
    Formula:C10H13ClO3
    Molecular weight:216.67

    Ref: 4Z-A-140014

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  • Clarithromycin Impurity 8


    Formula:C48H94N2O14Si2
    Molecular weight:979.45

    Ref: 4Z-C-3730

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  • Ginkgolide A

    CAS:
    Formula:C20H24O9
    Purity:(HPLC) ≥ 98.0%
    Color and Shape:Off-white powder
    Molecular weight:408.41

    Ref: 7W-GP9109

    25mg
    254.00€
  • Urapidil Impurity 12

    CAS:
    Formula:C6H7ClN2O2
    Molecular weight:174.58

    Ref: 4Z-U-0718

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  • 3-Bromoadamantane-1-carboxylic acid

    CAS:
    Formula:C11H15BrO2
    Purity:98%
    Color and Shape:Solid
    Molecular weight:259.1396

    Ref: IN-DA003J3W

    1g
    22.00€
    5g
    26.00€
    10g
    34.00€
    25g
    62.00€
    100g
    150.00€
  • Ribavirin Impurity 13 (Tetraacetylinosine)


    Formula:C18H20N4O9
    Molecular weight:436.38

    Ref: 4Z-R-0425

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  • Osimertinib Impurity 11

    CAS:
    Formula:C30H35N7O2
    Molecular weight:525.66

    Ref: 4Z-A-194021

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  • Lenvatinib Impurity 58

    CAS:
    Formula:C12H10ClNO3
    Molecular weight:251.67

    Ref: 4Z-L-124065

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  • Carfilzomib

    CAS:
    Formula:C40H57N5O7

    Ref: TR-MM3929.00

    250mg
    2,477.00€
  • Depyrazine 6,8-diaminophenyl varenicline hydrochloride

    CAS:
    Please enquire for more information about Depyrazine 6,8-diaminophenyl varenicline hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page
    Formula:C11H15N3
    Purity:Min. 95%
    Molecular weight:189.26 g/mol

    Ref: 3D-ANB78191

    10mg
    788.00€
    25mg
    1,211.00€
    50mg
    1,938.00€
  • 5-[3-(tert-butylamino)-2-hydroxypropoxy]-1,2,3,4-tetrahydronaphthalene-2,3-diol

    CAS:
    Formula:C17H27NO4
    Purity:98%
    Color and Shape:Solid
    Molecular weight:309.4006

    Ref: IN-DA003BOE

    25mg
    218.00€
    100mg
    567.00€
  • (S)-N-Nitroso Anatabine

    Controlled Product
    CAS:
    Stability Light Sensitive Applications The S-enantiomer metabolite of tobacco, a specific N-nitrosamines with carcinogenic activity. Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package References Hoffmann, D., et al.: Cancer Res., 39, 2505 (1979), Hecht, S., et al.: Chem. Res. Toxicol., 11, 559 (1998), Hecht, S., et al.: Mutation. Res., 424, 127 (1999), Wang, M., et al.: Chem. Res. Toxicol., 16, 616 (2003),
    Formula:C10H11N3O
    Color and Shape:Neat
    Molecular weight:189.21

    Ref: TR-N524745

    5mg
    389.00€
    10mg
    729.00€
    50mg
    2,662.00€
  • N-Nitroso Etravirine Impurity 21


    Formula:C11H5Cl2N5O
    Molecular weight:294.10

    Ref: 4Z-E-2223

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  • Tetryzoline Hydrochloride

    CAS:
    Formula:C13H16N2·ClH

    Ref: TR-MM0088.00

    250mg
    1,751.00€
  • Brivaracetam Impurity 20

    CAS:
    Formula:C9H17BrO2
    Molecular weight:237.14

    Ref: 4Z-B-105026

    5mg
    440.00€
    10mg
    745.00€
    25mg
    1,230.00€
    50mg
    2,136.00€
    100mg
    3,366.00€
  • Relugolix Impurity 94


    Formula:C29H29F2N7O6S
    Molecular weight:641.65

    Ref: 4Z-R-139099

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  • Ticlopidine EP Impurity E Chloride

    CAS:
    Formula:C14H11ClNS·Cl
    Color and Shape:White To Off-White Solid
    Molecular weight:260.76 35.45

    Ref: 4Z-T-5010

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  • Lercanidipine Impurity 45


    Formula:C55H64N4O6
    Molecular weight:877.14

    Ref: 4Z-L-1759

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  • Mitoxantrone Impurity 7

    CAS:
    Formula:C14H10N2O4
    Molecular weight:270.24

    Ref: 4Z-M-088015

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  • Acetazolamide Impurity 3


    Formula:C2H3N3O3S2
    Molecular weight:181.18

    Ref: 4Z-A-3516

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  • Lifitegrast Impurity 23

    CAS:
    Formula:C10H13NO4S
    Molecular weight:243.28

    Ref: 4Z-L-153025

    5mg
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  • Actinonin

    CAS:
    Formula:C19H35N3O5
    Purity:≥ 97.0%
    Color and Shape:White to light yellow powder
    Molecular weight:385.50

    Ref: 7W-GA8851

    5mg
    186.00€
    25mg
    614.00€
  • 1-(tert-Butoxycarbonyl)-4-cyclopropylpiperidine-4-carboxylic acid

    CAS:
    Formula:C14H23NO4
    Purity:97%
    Color and Shape:Solid
    Molecular weight:269.3367

    Ref: IN-DA009EWI

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  • Scutellarin

    CAS:
    Formula:C21H18O12
    Purity:(HPLC) ≥ 98.0%
    Color and Shape:Yellow to brown powder
    Molecular weight:462.36

    Ref: 7W-GC9987

    10mg
    79.00€
    25mg
    148.00€
  • Rebamipide Impurity 4


    Formula:C18H15ClN2O3
    Molecular weight:342.78

    Ref: 4Z-R-085007

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  • Pregabalin Impurity 95


    Formula:C9H17NO3
    Molecular weight:187.24

    Ref: 4Z-P-27124

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  • Ezetimibe Impurity 24


    Formula:C45H58F2N2O5Si2
    Molecular weight:801.13

    Ref: 4Z-E-0675

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  • Cefminox Sodium Impurity 9


    Formula:C16H23N7O8S3
    Color and Shape:Light Yellow Solid
    Molecular weight:537.58

    Ref: 4Z-C-167010

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  • Flumazenil EP Impurity B

    CAS:
    Formula:C15H15N3O4
    Color and Shape:White To Off-White Solid
    Molecular weight:301.30

    Ref: 4Z-F-070005

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  • Abemaciclib Impurity 14

    CAS:
    Formula:C25H28F2N8
    Molecular weight:478.55

    Ref: 4Z-A-253017

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  • 2-[2-(Diethylamino)ethoxy]ethanol

    Controlled Product
    CAS:
    Formula:C8H19NO2
    Color and Shape:Neat
    Molecular weight:161.24

    Ref: 86-MM0547.02

    100mg
    1,840.00€
  • Simvastatin impurity K


    Simvastatin impurity K is a research and development substance that is used for the synthesis of drug products. This compound is custom synthesized, and its CAS number is 607-33-0. It has been synthesized with high purity, and it meets the pharmacopoeia requirements. Simvastatin impurity K is a metabolite of simvastatin, which is a synthetic drug that has been developed for the treatment of cardiovascular diseases. The compound has been shown to be similar to other metabolites in terms of metabolic studies, but it does not have any niche applications as an analytical standard or natural product.
    Formula:C25H40O5
    Purity:Min. 95%
    Molecular weight:420.58 g/mol

    Ref: 3D-IS45166

    1mg
    333.00€
    2mg
    529.00€
    500µg
    315.00€
  • Prostaglandin Impurity 4

    CAS:
    Formula:C7H6Cl2O
    Color and Shape:Colorless Liquid
    Molecular weight:177.02

    Ref: 4Z-P-144042

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  • Sofosbuvir Impurity 96

    CAS:
    Formula:C6H10O3
    Molecular weight:130.14

    Ref: 4Z-S-055104

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  • Imidocarb Impurity 3 Dipropionate


    Formula:C19H22N6O2·2C3H6O2
    Molecular weight:366.43 2*74.08

    Ref: 4Z-I-264

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  • Oxybutynin EP Impurity B

    CAS:
    Formula:C22H25NO3
    Color and Shape:White To Off-White Solid
    Molecular weight:351.45

    Ref: 4Z-O-0713

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  • Terfenadine EP Impurity C (Terfenadine N-Oxide)

    CAS:
    Formula:C32H41NO3
    Molecular weight:487.69

    Ref: 4Z-T-195002

    5mg
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  • Apixaban Impurity 71


    Formula:C31H37N5O6
    Molecular weight:575.67

    Ref: 4Z-A-10282

    5mg
    939.00€
    10mg
    1,554.00€
    25mg
    2,848.00€
    50mg
    4,660.00€
    100mg
    7,702.00€
  • Sofosbuvir Impurity 30

    CAS:
    Formula:C20H17FO6
    Molecular weight:372.35

    Ref: 4Z-S-055034

    5mg
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  • Cis-Tert-Butyl 2-Allyl-3-Hydroxypiperidine-1-Carboxylate

    CAS:
    Formula:C13H23NO3
    Purity:95%
    Molecular weight:241.3266

    Ref: IN-DA019F03

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  • N-Carbomethoxyamoxapine

    CAS:
    N-Carbomethoxyamoxapine is an analytical standard and impurity in the synthesis of a drug product. It is a metabolite of amoxapine, which belongs to the group of tricyclic antidepressants. N-Carbomethoxyamoxapine has been used as an analytical standard for HPLC analysis and as a reference material for pharmacopoeia. It is also an impurity in the synthesis of amoxapine and other pharmaceuticals.
    Formula:C19H18ClN3O3
    Purity:Min. 95%
    Molecular weight:371.80 g/mol

    Ref: 3D-WPA97125

    250mg
    1,112.00€
  • Cefixime Impurity 7


    Formula:C16H17N5O8S2
    Molecular weight:471.46

    Ref: 4Z-C-9122

    5mg
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  • Furosemide Impurity 3


    Formula:C12H10ClNO6S
    Color and Shape:White To Off-White Solid
    Molecular weight:331.72

    Ref: 4Z-F-2111

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  • (1-Thio-β-D-glucopyranosato)(triethylphosphine)gold 2,3,4,6-tetraacetate

    CAS:
    Formula:C20H34AuO9PS
    Purity:98%
    Color and Shape:Solid
    Molecular weight:678.4839

    Ref: IN-DA00382F

    1g
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    1mg
    52.00€
    10mg
    89.00€
    50mg
    168.00€
    100mg
    305.00€
    250mg
    To inquire
  • Enrofloxacin EP Impurity F

    CAS:
    Formula:C18H22FN3O
    Molecular weight:315.39

    Ref: 4Z-E-445

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  • Ascorbic Acid EP Impurity H

    CAS:
    Formula:C7H8O7
    Color and Shape:Pale Brown Solid
    Molecular weight:204.13

    Ref: 4Z-A-129003

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  • Gimeracil Impurity 7

    CAS:
    Formula:C6H6ClNO2
    Color and Shape:White To Off-White Solid
    Molecular weight:159.57

    Ref: 4Z-G-047009

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  • Benzocaine Impurity 5

    CAS:
    Formula:C17H25NO3
    Molecular weight:291.39

    Ref: 4Z-B-4519

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  • Opicapone-D6,15N

    Controlled Product
    CAS:
    Formula:C15H4D6Cl2N3NO6
    Color and Shape:Neat
    Molecular weight:420.2

    Ref: TR-O669452

    50mg
    11,714.00€
  • Ref: IN-DA0007PE

    1mg
    129.00€
    5mg
    208.00€
    10mg
    328.00€
    25mg
    569.00€
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  • Erythromycin EP Impurity F

    CAS:
    Formula:C37H65NO12
    Molecular weight:715.92

    Ref: 4Z-E-2018

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  • Olopatadine Impurity 7

    CAS:
    Formula:C21H21BrP·Br
    Molecular weight:384.28 79.90

    Ref: 4Z-O-1023

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  • Vosoritide Impurity 15 Trifluoroacetate


    Formula:C178H292N56O52S3·C2HF3O2
    Molecular weight:4144.81 114.02

    Ref: 4Z-PV-109016

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  • Ref: IN-DA003ACS

    1g
    79.00€
    5g
    183.00€
    10g
    219.00€
    25g
    579.00€
    100mg
    34.00€
    250mg
    40.00€
  • Avibactam INT 1

    CAS:
    Formula:C17H24N2O7
    Purity:98%
    Color and Shape:Solid
    Molecular weight:368.3817

    Ref: IN-DA009CMR

    1g
    26.00€
    5g
    47.00€
    10g
    65.00€
    25g
    107.00€
    100g
    213.00€
    500g
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  • Cefotiam Impurity 13


    Formula:C18H25N9O5S3
    Molecular weight:543.64

    Ref: 4Z-C-10317

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  • Gestrinone

    CAS:
    Formula:C21H24O2
    Molecular weight:308.41

    Ref: 7W-GP4139

    ne
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  • Tuaminoheptane Sulfate

    Controlled Product
    CAS:
    Formula:C7H17N·H2O4S
    Color and Shape:Neat
    Molecular weight:328.51

    Ref: 86-MM1150.00

    250mg
    469.00€
  • Rocuronium Bromide Impurity 6

    CAS:
    Formula:C23H35NO2
    Molecular weight:357.54

    Ref: 4Z-R-3216

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  • Gemcitabine EP Impurity C-13C-15N2

    CAS:
    Formula:C813CH10F215N2O5
    Color and Shape:White To Off-White Solid
    Molecular weight:267.16

    Ref: 4Z-G-2631

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  • Desethanol emedastine dihydrochloride

    CAS:
    Please enquire for more information about Desethanol emedastine dihydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page
    Formula:C15H20N4
    Purity:Min. 95%
    Molecular weight:256.35 g/mol

    Ref: 3D-FFA26314

    5mg
    806.00€
    10mg
    1,216.00€
    25mg
    1,982.00€
    50mg
    3,088.00€
  • Mivacurium Chloride Impurity 24


    Formula:C25H36NO6·Cl
    Molecular weight:446.56 35.45

    Ref: 4Z-M-153025

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  • Cetilistat Impurity 5

    CAS:
    Formula:C8H9NO2
    Molecular weight:151.17

    Ref: 4Z-C-200009

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  • Darolutamide Impurity 3

    CAS:
    Formula:C18H21ClN4O2
    Molecular weight:360.84

    Ref: 4Z-D-245004

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  • Vildagliptin Impurity 57


    Formula:C7H10N2O2
    Molecular weight:154.17

    Ref: 4Z-V-2276

    5mg
    440.00€
    10mg
    745.00€
    25mg
    1,230.00€
    50mg
    2,136.00€
    100mg
    3,366.00€
  • Betamethasone EP Impurity F

    CAS:
    Formula:C22H28O4
    Color and Shape:White To Off-White Solid
    Molecular weight:356.46

    Ref: 4Z-B-065017

    5mg
    1,101.00€
    10mg
    1,813.00€
    25mg
    3,366.00€
    50mg
    5,437.00€
    100mg
    8,997.00€
  • Bisoprolol Impurity 20

    CAS:
    Formula:C18H31NO4
    Molecular weight:325.45

    Ref: 4Z-B-0943

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  • Avibactam Impurity 49

    CAS:
    Formula:C20H29ClN2O5
    Molecular weight:412.91

    Ref: 4Z-A-192050

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  • Amlodipine EP Impurity D Besylate (Amlodipine USP Related Compound A Besylate, Dehydro Amlodipine Besylate)

    CAS:
    Formula:C20H23ClN2O5·C6H6O3S
    Color and Shape:Pale Yellow Semi-Solid
    Molecular weight:406.86 158.17

    Ref: 4Z-A-0884

    5mg
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  • Ref: 4Z-E-1942

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  • Cefuroxime Impurity 41

    CAS:
    Formula:C6H5NO3
    Molecular weight:139.11

    Ref: 4Z-C-445060

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  • 1H-Indole-3-acetamide, 1-[(4-chlorophenyl)methyl]-α-oxo-N-4-pyridinyl-

    CAS:
    Formula:C22H16ClN3O2
    Purity:98%
    Color and Shape:Solid
    Molecular weight:389.8343

    Ref: IN-DA0029CB

    1g
    632.00€
    25mg
    68.00€
    100mg
    148.00€
    250mg
    178.00€
  • Parecoxib Impurity 40

    CAS:
    Formula:C19H18N2O4S
    Molecular weight:370.42

    Ref: 4Z-P-139044

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  • N1.9,N1.9-Dimethyldesmopressin


    N1.9,N1.9-Dimethyldesmopressin is a synthetic analog of the natural hormone vasopressin. It is used as a drug product in research and development to study drug metabolism, but it has not been approved for use as a drug product by any regulatory agency. Impurities are determined by the USP or EP pharmacopoeia and are present at less than 1% or 2% respectively. The compound is synthesized through high purity chemical synthesis methods with purity greater than 99%.
    Purity:Min. 95%

    Ref: 3D-ID173217

    100mg
    2,541.00€
  • Ethyl p-aminobenzoate-N-D-mannose

    CAS:
    CAS No. 78216-92-9 is a synthetic compound that can be used as an impurity standard, custom synthesis, drug product, or a reference material. It is used in the research and development of new drugs and for the production of active pharmaceutical ingredients (API) and drug products. CAS No. 78216-92-9 also has been shown to have pharmacological properties as a metabolite. It is a metabolite of ethyl p-amino benzoate in humans and other mammals. The chemical is soluble in water, methanol, ethanol, benzene, acetone, chloroform, ether, and acetonitrile. The solubility of CAS No. 78216-92-9 in water at 37°C (98.6°F) is 2 g/L; at 20°C (68°F) - 1 g/L; at 0°C (32°F) - 0.2 g
    Formula:C15H21NO7
    Purity:Min. 95%
    Molecular weight:327.33 g/mol

    Ref: 3D-DDA21692

    25mg
    315.00€
    50mg
    422.00€
    100mg
    601.00€
    250mg
    1,006.00€