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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.

Subcategories of "APIs for research and impurities"

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Found 57048 products of "APIs for research and impurities"

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  • Pranoprofen Impurity 29

    CAS:
    Formula:C17H17NO3
    Color and Shape:White To Off-White Solid
    Molecular weight:283.33

    Ref: 4Z-P-110032

    5mg
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    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
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  • Theophylline Impurity 14

    CAS:
    Formula:C23H25N5O3
    Color and Shape:White To Off-White Solid
    Molecular weight:419.49

    Ref: 4Z-T-6024

    5mg
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    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
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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

    5mg
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    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Phenylephrine Impurity 6 HCl


    Formula:C15H17NO4·HCl
    Color and Shape:Off-White Solid
    Molecular weight:275.31 36.46

    Ref: 4Z-P-2618

    5mg
    To inquire
    10mg
    1,335.00€
    25mg
    2,366.00€
    50mg
    3,944.00€
    100mg
    To inquire
  • Levofloxacin Impurity 14

    CAS:
    Formula:C15H15F4NO4
    Color and Shape:Yellow Liquid
    Molecular weight:349.28

    Ref: 4Z-L-2317

    5mg
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    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
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  • Decitabine Impurity 4 (Methyl 2-deoxy-β-D-Ribopyranoside)

    CAS:
    Formula:C6H12O4
    Color and Shape:White To Off-White Solid
    Molecular weight:148.16

    Ref: 4Z-D-7715

    5mg
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    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
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  • Diazinon Impurity 5

    CAS:
    Formula:C4H11O2PS2
    Molecular weight:186.22

    Ref: 4Z-D-183010

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Omeprazole EP Impurity I (Omeprazole USP Related Compound I, Omeprazole Sulfone N-Oxide)

    CAS:
    Formula:C17H19N3O5S
    Color and Shape:White To Off-White Solid
    Molecular weight:377.42

    Ref: 4Z-O-0211

    5mg
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    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Abiraterone Impurity 10

    CAS:
    Formula:C24H31NO
    Molecular weight:349.52

    Ref: 4Z-A-8247

    5mg
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    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Ribavirin Impurity 39

    CAS:
    Formula:C18H21N5O9
    Color and Shape:White To Off-White Solid
    Molecular weight:451.39

    Ref: 4Z-R-0448

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Melatonin Impurity 1

    CAS:
    Formula:C12H16N2O3
    Color and Shape:Yellow Solid
    Molecular weight:236.27

    Ref: 4Z-M-7611

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
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  • Grazoprevir

    CAS:
    Formula:C38H50N6O9S
    Purity:≥ 98.0%
    Color and Shape:White to off-white powder
    Molecular weight:766.90

    Ref: 7W-GP1475

    5mg
    111.00€
  • Valsartan Impurity 5

    CAS:
    Formula:C19H21N5O
    Color and Shape:White To Off-White Solid
    Molecular weight:335.41

    Ref: 4Z-V-0223

    5mg
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    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
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  • Iohexol EP Impurity G (4,6-diiodo Isomer)


    Formula:C16H21I2N3O7
    Color and Shape:White To Off-White Solid
    Molecular weight:621.17

    Ref: 4Z-I-3716

    5mg
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    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Ebastine EP Impurity E

    CAS:
    Formula:C33H41NO2
    Color and Shape:Off-White Solid
    Molecular weight:483.70

    Ref: 4Z-E-1710

    5mg
    To inquire
    10mg
    1,092.00€
    25mg
    1,942.00€
    50mg
    3,034.00€
    100mg
    To inquire
  • Regorafenib EP Impurity C

    CAS:
    Formula:C20H18FN5O3
    Color and Shape:Pale Yellow Solid
    Molecular weight:395.39

    Ref: 4Z-R-078014

    5mg
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    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Indomethacin Impurity 9

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

    Ref: 4Z-I-1223

    5mg
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    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Losartan Impurity 3

    CAS:
    Formula:C22H22ClN3O
    Color and Shape:White To Off-White Solid
    Molecular weight:379.89

    Ref: 4Z-L-1131

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Iguratimod Impurity 13

    CAS:
    Formula:C16H16N2O6S
    Molecular weight:364.38

    Ref: 4Z-I-092014

    5mg
    To inquire
    10mg
    1,699.00€
    25mg
    3,155.00€
    50mg
    5,096.00€
    100mg
    To inquire
  • Aztreonam Impurity 16

    CAS:
    Formula:C4H8N2O4S
    Color and Shape:White To Off-White Solid
    Molecular weight:180.18

    Ref: 4Z-A-108024

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Fenofibrate Impurity 4

    CAS:
    Formula:C21H21ClO6
    Color and Shape:White To Off-White Solid
    Molecular weight:404.84

    Ref: 4Z-F-0215

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Nimustine hydrochloride

    CAS:
    Formula:C9H13ClN6O2
    Purity:(HPLC) ≥ 98.0%
    Color and Shape:White to off-white crystalline powder
    Molecular weight:272.69

    Ref: 7W-GP5132

    1g
    148.00€
  • Ketorolac EP Impurity G

    CAS:
    Formula:C16H15NO4
    Color and Shape:White To Off-White Solid
    Molecular weight:285.30

    Ref: 4Z-K-038

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Posaconazole Impurity 63

    CAS:
    Formula:C30H35N5O3
    Molecular weight:513.64

    Ref: 4Z-P-3889

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Fluticasone Propionate EP Impurity K (6R-Chloro Isomer)


    Formula:C25H31ClF2O5S
    Color and Shape:White To Off-White Solid
    Molecular weight:517.02

    Ref: 4Z-F-0984

    5mg
    To inquire
    10mg
    2,184.00€
    25mg
    4,004.00€
    50mg
    6,674.00€
    100mg
    To inquire
  • Larotrectinib Impurity 7

    CAS:
    Formula:C21H22F2N6O2
    Molecular weight:428.44

    Ref: 4Z-L-160010

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Cefalexin (Cephalexin) EP Impurity E (Cefradine EP Impurity G, Cefadroxil EP Impurity H)

    CAS:
    Formula:C13H18N2O4S
    Color and Shape:White To Off-White Solid
    Molecular weight:298.36

    Ref: 4Z-C-4710

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Sitafloxacin Impurity 17

    CAS:
    Formula:C11H20N2O2
    Molecular weight:212.29

    Ref: 4Z-S-079027

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Ketoconazole Impurity 52 HCl


    Formula:C12H8Cl3NO·HCl
    Molecular weight:288.55 36.46

    Ref: 4Z-K-0187

    5mg
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    10mg
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    100mg
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  • Posaconazole Impurity 14 (POS-I)


    Formula:C36H40F2N8O5
    Color and Shape:White To Off-White Solid
    Molecular weight:702.76

    Ref: 4Z-P-3835

    5mg
    To inquire
    10mg
    3,640.00€
    25mg
    6,674.00€
    50mg
    10,920.00€
    100mg
    To inquire
  • Bosutinib Impurity 28

    CAS:
    Formula:C7H7Cl2NO
    Molecular weight:192.04

    Ref: 4Z-B-6432

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Inosine Impurity 2

    CAS:
    Formula:C12H12N4O4
    Color and Shape:White To Off-White Solid
    Molecular weight:276.25

    Ref: 4Z-I-409

    5mg
    To inquire
    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
    To inquire
  • Cinchocaine EP Impurity C

    CAS:
    Formula:C16H21N3O2
    Color and Shape:White To Off-White Solid
    Molecular weight:287.36

    Ref: 4Z-C-1082

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Morinidazole Impurity 6


    Formula:C10H16N4O4
    Color and Shape:White To Off-White Solid
    Molecular weight:256.26

    Ref: 4Z-M-168010

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Meloxicam Impurity 4 (CDBC96SE)

    CAS:
    Formula:C8H9NO4S
    Color and Shape:White To Off-White Solid
    Molecular weight:215.22

    Ref: 4Z-M-0211

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Trazodone EP (BP) Impurity H DiHCl

    CAS:
    Formula:C23H30Cl2N4·2HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:433.43 2*36.46

    Ref: 4Z-T-3310

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Fexofenadine Impurity 4


    Formula:C14H20O4
    Color and Shape:White To Off-White Solid
    Molecular weight:252.31

    Ref: 4Z-F-0417

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Rifapentine Impurity 2 (3-Formyl Rifamycin S)

    CAS:
    Formula:C38H45NO13
    Color and Shape:Orange Solid
    Molecular weight:723.77

    Ref: 4Z-R-090007

    5mg
    To inquire
    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
    5,577.00€
  • Naratriptan Impurity 16 Chloride

    CAS:
    Formula:C7H16NO·Cl
    Molecular weight:130.21 35.45

    Ref: 4Z-N-2723

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Furosemide EP Impurity B

    CAS:
    Formula:C7H5Cl2NO4S
    Color and Shape:White To Off-White Solid
    Molecular weight:270.08

    Ref: 4Z-F-215

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Landiolol Impurity 6

    CAS:
    Formula:C7H15N3O2
    Molecular weight:173.22

    Ref: 4Z-L-100007

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Amikacin EP Impurity A TetraHCl


    Formula:C22H43N5O13·4HCl
    Molecular weight:585.61 4*36.46

    Ref: 4Z-A-144028

    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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  • Spironolactone

    CAS:
    Formula:C24H32O4S
    Purity:(HPLC) ≥ 97.0%
    Color and Shape:White to off-white powder
    Molecular weight:416.58

    Ref: 7W-GP5407

    1g
    35.00€
    5g
    101.00€
    10g
    177.00€
  • Lanoconazole

    CAS:
    Formula:C14H10ClN3S2
    Molecular weight:319.83

    Ref: 7W-GP0322

    ne
    To inquire
  • ZZR Impurity 3


    Formula:C19H25NO3
    Molecular weight:315.41

    Ref: 4Z-Z-039015

    5mg
    To inquire
    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
    To inquire
  • Esomeprazole Impurity 4

    CAS:
    Formula:C8H8N2O2
    Molecular weight:164.16

    Ref: 4Z-O-0241

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Testosterone Impurity 70


    Formula:C19H24O2
    Molecular weight:284.40

    Ref: 4Z-T-210120

    5mg
    To inquire
    10mg
    3,640.00€
    25mg
    6,674.00€
    50mg
    10,920.00€
    100mg
    To inquire
  • Pantoprazole Impurity 9

    CAS:
    Formula:C9H8F2N2O4
    Color and Shape:Yellow Solid
    Molecular weight:246.17

    Ref: 4Z-P-0130

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Naftopidil

    CAS:
    Formula:C24H28N2O3
    Purity:(Titration) ≥ 98.0%
    Color and Shape:White to almost white crystalline powder
    Molecular weight:392.49

    Ref: 7W-GP5180

    1g
    56.00€
  • Imatinib EP Impurity F

    CAS:
    Formula:C16H15N5
    Color and Shape:Yellow Solid
    Molecular weight:277.33

    Ref: 4Z-I-0913

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire