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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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  • Spiroxamine Impurity 3

    CAS:
    Formula:C17H33NO2
    Molecular weight:283.46

    Ref: 4Z-S-195005

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  • N-Nitroso Brilliant Blue Impurity 1


    Formula:C35H29N3O10S3·2Na
    Molecular weight:747.81 2*22.99

    Ref: 4Z-D-164088

    5mg
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  • Sitagliptin Impurity 20-d4 HCl

    CAS:
    Formula:C6H3D4F3N4·HCl
    Molecular weight:196.17 36.46

    Ref: 4Z-S-2072

    5mg
    812.00€
    10mg
    1,295.00€
    25mg
    2,330.00€
    50mg
    3,625.00€
    100mg
    5,955.00€
  • 2-(4-Chlorophenoxy)Isobutyric Acid

    CAS:
    Formula:C10H11ClO3
    Purity:98%
    Color and Shape:Solid
    Molecular weight:214.6455

    Ref: IN-DA0032US

    5g
    26.00€
    25g
    30.00€
    50g
    44.00€
    75g
    51.00€
    100g
    51.00€
    250g
    84.00€
  • Levosimendan Impurity 18

    CAS:
    Formula:C13H17N3O
    Molecular weight:231.137

    Ref: 4Z-L-4220

    5mg
    406.00€
    10mg
    677.00€
    25mg
    1,101.00€
    50mg
    1,813.00€
    100mg
    2,848.00€
  • Ref: TR-MM0033.02-0025

    25mg
    2,685.00€
  • Atracurium Impurity 57

    CAS:
    Formula:C8H6O3
    Molecular weight:150.13

    Ref: 4Z-A-75105

    5mg
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  • Nirmatrelvir Impurity 29 HCl

    CAS:
    Formula:C9H15NO2·HCl
    Molecular weight:169.22 36.46

    Ref: 4Z-N-148032

    5mg
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  • Mitragynine Impurity 1

    CAS:
    Formula:C22H28N2O4
    Color and Shape:Brown Solid
    Molecular weight:384.48

    Ref: 4Z-M-186004

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  • Acitretin

    CAS:
    Formula:C21H26O3
    Purity:≥ 98.0% (dried basis)
    Color and Shape:Yellow or green-yellow crystalline powder
    Molecular weight:326.43

    Ref: 7W-GP9248

    1g
    185.00€
    100mg
    79.00€
  • Pyrrolidine Impurity 4

    CAS:
    Formula:C16H25FN4O2
    Molecular weight:324.40

    Ref: 4Z-P-208018

    10mg
    Discontinued
    25mg
    Discontinued
    50mg
    Discontinued
    100mg
    Discontinued
    Discontinued product
  • L-Aspartic acid, N-[(phenylmethoxy)carbonyl]-

    CAS:
    Formula:C12H13NO6
    Purity:98%
    Color and Shape:Solid
    Molecular weight:267.2347

    Ref: IN-DA000GEV

    5g
    25.00€
    25g
    30.00€
    50g
    45.00€
    75g
    54.00€
    100g
    59.00€
    500g
    148.00€
  • N-(2,6-Dichlorophenyl)-carbonimidic dichloride

    CAS:
    2,6-Dichlorophenyl carbonimidic dichloride is an analytical reference material that is used as a high purity and drug development API impurity standard. The compound has been found to be a metabolite of the anti-inflammatory drug ibuprofen. It is also used as a pharmacopoeia impurity standard in the United States, Japan, and Europe. CAS No. 21709-18-2 is the assigned number for this compound.
    Formula:C7H3Cl4N
    Purity:Min. 95%
    Molecular weight:242.9 g/mol

    Ref: 3D-WAA70918

    5g
    1,707.00€
    10g
    2,494.00€
  • Ketorolac EP Impurity H

    CAS:
    Formula:C16H15NO3
    Color and Shape:Pale Brown Solid
    Molecular weight:269.30

    Ref: 4Z-K-0310

    5mg
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  • Benvitimod 1,2-Diyl Dimer Impurity


    Formula:C34H36O4
    Molecular weight:508.66

    Ref: 4Z-B-162010

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  • Cisplatin

    CAS:
    Formula:Cl2H6N2Pt
    Purity:≥ 98.0% (anhydrous)
    Color and Shape:Yellow to orange powder
    Molecular weight:300.06

    Ref: 7W-GA8978

    1g
    292.00€
    25mg
    33.00€
    100mg
    79.00€
    250mg
    118.00€
  • Resmetirom Impurity 15


    Formula:C17H13ClN6O5
    Molecular weight:416.78

    Ref: 4Z-R-165017

    5mg
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  • Boc-D-Arg(NO2)-OH

    CAS:
    Formula:C11H21N5O6
    Purity:95%
    Color and Shape:Solid
    Molecular weight:319.3143

    Ref: IN-DA003SPY

    1g
    39.00€
    5g
    95.00€
    25g
    191.00€
    100mg
    29.00€
    250mg
    29.00€
  • 4-[(3-Chlorophenyl)sulfonyl]benzenamine

    CAS:
    Please enquire for more information about 4-[(3-Chlorophenyl)sulfonyl]benzenamine including the price, delivery time and more detailed product information at the technical inquiry form on this page
    Formula:C12H10ClNO2S
    Purity:Min. 95%
    Molecular weight:267.73 g/mol

    Ref: 3D-QDA30926

    50mg
    731.00€
    100mg
    1,044.00€
  • Hydrocortisone EP Impurity I

    CAS:
    Formula:C21H30O6
    Molecular weight:378.47

    Ref: 4Z-C-2713

    ne
    Discontinued
    5mg
    Discontinued
    10mg
    Discontinued
    25mg
    Discontinued
    50mg
    Discontinued
    100mg
    Discontinued
    Discontinued product
  • 2-[N-(2,2,2-Trifluoroethyl)amino-5]-chlorobenzophenone

    CAS:
    Amino-aldehydes, amino-ketones and amino-quinones, other than those containing more than one kind of oxygen function; salts thereof, nesoi
    Formula:C15H11ClF3NO
    Color and Shape:Green Yellow Powder
    Molecular weight:313.04813

    Ref: 45-1685500

    25mg
    677.00€
  • Ref: TR-MM0002.02

    100mg
    1,526.00€
  • 2,4(1H,3H)-Pteridinedione

    CAS:
    Formula:C6H4N4O2
    Purity:98%
    Color and Shape:Solid
    Molecular weight:164.1216

    Ref: IN-DA0037EE

    1g
    65.00€
    5g
    183.00€
    10g
    219.00€
    25g
    579.00€
    100g
    To inquire
    250mg
    40.00€
  • Hydroxychloroquine Impurity 16

    CAS:
    Formula:C13H15ClN2O
    Molecular weight:250.73

    Ref: 4Z-H-0637

    5mg
    440.00€
    10mg
    745.00€
    25mg
    1,230.00€
    50mg
    2,136.00€
    100mg
    3,366.00€
  • Clarithromycin EP Impurity E (Clarithromycin USP Related Compound A)

    CAS:
    Formula:C39H71NO13
    Color and Shape:White To Off-White Solid
    Molecular weight:761.99

    Ref: 4Z-C-379

    5mg
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  • 5-Chloro-2-(4-chlorophenoxy)phenol 1-acetate

    CAS:
    Please enquire for more information about 5-Chloro-2-(4-chlorophenoxy)phenol 1-acetate including the price, delivery time and more detailed product information at the technical inquiry form on this page
    Formula:C14H10Cl2O3
    Purity:Min. 95%
    Molecular weight:297.1 g/mol

    Ref: 3D-DAA38053

    50mg
    858.00€
    100mg
    1,292.00€
  • N-(4-Hydroxyphenyl)retinamide

    CAS:
    Formula:C26H33NO2
    Purity:98%
    Color and Shape:Solid
    Molecular weight:391.5457

    Ref: IN-DA003QL2

    1g
    539.00€
    10mg
    52.00€
    25mg
    75.00€
    50mg
    108.00€
    100mg
    157.00€
    250mg
    238.00€
  • 5-(5-BROMO-3-PYRIDYL)-1H-TETRAZOLE

    CAS:
    Formula:C6H4BrN5
    Purity:97%
    Color and Shape:Solid
    Molecular weight:226.0335

    Ref: IN-DA006YRH

    1g
    135.00€
    5g
    360.00€
    250mg
    71.00€
  • 2-Quinoxalinecarboxylic Acid-d4 (Major)

    Controlled Product
    CAS:
    Applications 2-Quinoxalinecarboxylic Acid-d4 is labelled 2-Quinoxalinecarboxylic Acid (Q765265) which is a residue of Carbadox (C175825), an antimicrobial drug. References Hutchinson, M., et al.: Food Addit. Contam., 21, 538 (2004); Thrasher, et al.: J. Anim. Sci., 26, 911 (1967)
    Formula:C9H2D4N2O2
    Color and Shape:Neat
    Molecular weight:178.18

    Ref: TR-Q765267

    1mg
    383.00€
    10mg
    2,602.00€
  • Avibactam Impurity 89 HCl


    Formula:C22H28N2O3·HCl
    Molecular weight:368.48 36.46

    Ref: 4Z-A-192091

    5mg
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  • Mycophenolic Acid Impurity 6

    CAS:
    Formula:C20H26O6
    Color and Shape:White To Off-White Solid
    Molecular weight:362.42

    Ref: 4Z-M-1644

    5mg
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  • Daprodustat Impurity 8


    Formula:C19H27N3O7
    Molecular weight:409.44

    Ref: 4Z-D-237010

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  • Loratadine Impurity 18

    CAS:
    Formula:C19H19ClN2O
    Molecular weight:326.82

    Ref: 4Z-L-1073

    5mg
    609.00€
    10mg
    971.00€
    25mg
    1,748.00€
    50mg
    2,525.00€
    100mg
    4,207.00€
  • Tazobactam Acid Impurity 21

    CAS:
    Formula:C23H22N4O3S
    Molecular weight:434.51

    Ref: 4Z-T-127030

    5mg
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  • Eperisone Impurity 3 HCl


    Formula:C17H25NO2·HClC17H26NO2·Cl
    Molecular weight:275.39 36.46 276.40 35.45

    Ref: 4Z-E-369

    5mg
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  • Dacarbazine

    CAS:
    Formula:C6H10N6O

    Ref: TR-MM1289.00

    100mg
    354.00€
  • Phenol Impurity 3


    Formula:C12H8Cl4N2O2
    Molecular weight:354.01

    Ref: 4Z-P-57142

    5mg
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  • 9-Cis,13-cis-retinol 15-acetate-d5

    CAS:
    Please enquire for more information about 9-Cis,13-cis-retinol 15-acetate-d5 including the price, delivery time and more detailed product information at the technical inquiry form on this page
    Formula:C22H32O2
    Purity:Min. 95%
    Molecular weight:333.5 g/mol

    Ref: 3D-SYB21962

    1mg
    1,920.00€
    2mg
    3,519.00€
    500µg
    1,017.00€
  • Etrasimod Impurity 1

    CAS:
    Formula:C9H6ClF3O2
    Molecular weight:238.59

    Ref: 4Z-E-208002

    5mg
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  • Formoterol Impurity 42

    CAS:
    Formula:C32H32N2O5
    Molecular weight:524.62

    Ref: 4Z-F-1168

    5mg
    373.00€
    10mg
    542.00€
    25mg
    880.00€
    50mg
    1,230.00€
    100mg
    2,136.00€