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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 57982 products of "APIs for research and impurities"

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  • Desloratadine

    CAS:
    Formula:C19H19ClN2
    Purity:≥ 95.0%
    Color and Shape:White to off-white powder
    Molecular weight:310.82

    Ref: 7W-GP6329

    ne
    To inquire
  • Aprepitant EP Impurity C

    CAS:
    Formula:C29H25F7N4O3
    Color and Shape:White To Off-White Solid
    Molecular weight:610.53

    Ref: 4Z-A-3220

    5mg
    To inquire
    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
    To inquire
  • Iopromide Impurity 6

    CAS:
    Formula:C17H22I3N3O8
    Color and Shape:White To Off-White Solid
    Molecular weight:777.09

    Ref: 4Z-I-057014

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

    CAS:
    Formula:C4H7Cl3O·5(H2O)
    Purity:≥ 98.0% (anhydrous basis)
    Color and Shape:White crystalline powder or crystals
    Molecular weight:177.45 (anhydrous)

    Ref: 7W-GP8327

    100g
    89.00€
    250g
    166.00€
    500g
    292.00€
  • Haloperidol Decanoate EP Impurity A HCl


    Formula:C31H42FNO3·HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:495.68 36.46

    Ref: 4Z-H-0124

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

    CAS:
    Formula:C35H62Br2N4O4
    Molecular weight:762.70

    Ref: 7W-GP0450

    ne
    To inquire
  • Levothyroxine EP Impurity K (3,3',5'-Triiodo-L-Thyronine)

    CAS:
    Formula:C15H12I3NO4
    Color and Shape:White To Off-White Solid
    Molecular weight:650.98

    Ref: 4Z-L-4628

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

    CAS:
    Formula:C19H24N2O6
    Molecular weight:376.41

    Ref: 4Z-D-291014

    5mg
    To inquire
    10mg
    3,155.00€
    25mg
    5,824.00€
    50mg
    9,646.00€
    100mg
    To inquire
  • Diclofenac Impurity 23

    CAS:
    Formula:C14H10ClNO2
    Color and Shape:White To Off-White Solid
    Molecular weight:259.69

    Ref: 4Z-D-0635

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

    CAS:
    Formula:C47H64N4O2
    Purity:(HPLC) ≥ 95.0%
    Color and Shape:Red to dark red-brown crystalline powder
    Molecular weight:717.04

    Ref: 7W-GA1653

    1g
    276.00€
    25mg
    55.00€
    100mg
    155.00€
  • Aprepitant Impurity 32 HCl


    Formula:C27H24F7NO2·HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:527.49 36.46

    Ref: 4Z-A-3213

    5mg
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    10mg
    1,335.00€
    25mg
    2,366.00€
    50mg
    3,944.00€
    100mg
    To inquire
  • Dienogest EP Impurity H

    CAS:
    Formula:C20H25NO2
    Color and Shape:White To Off-White Solid
    Molecular weight:311.43

    Ref: 4Z-D-4215

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Medetomidine Impurity 15

    CAS:
    Formula:C12H14N2O
    Color and Shape:Off-White Solid
    Molecular weight:202.26

    Ref: 4Z-M-6825

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • rac-Levothyroxine EP Impurity J HCl (3,3'-DL-Diiodothyronine HCl)

    CAS:
    Formula:C15H13I2NO4·HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:525.08 36.46

    Ref: 4Z-L-4681

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Ranitidine Impurity 20

    CAS:
    Formula:C4H6N2O2S
    Color and Shape:Yellow Solid
    Molecular weight:146.16

    Ref: 4Z-R-0334

    5mg
    To inquire
    10mg
    635.00€
    25mg
    1,032.00€
    50mg
    1,699.00€
    100mg
    To inquire
  • Sarafloxacin hydrochloride

    CAS:
    Formula:C20H17F2N3O3·HCl·xH2O
    Purity:≥ 98.0%
    Color and Shape:White to light-yellow crystalline powder
    Molecular weight:421.83 (anhydrous)

    Ref: 7W-GA8734

    ne
    To inquire
  • Imidocarb Impurity 3 Dipropionate


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

    Ref: 4Z-I-264

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Kanamycin disulfate salt

    CAS:
    Formula:C18H36N4O11·2H2SO4·xH2O
    Purity:≥ 670IU/mg (dried basis)
    Color and Shape:White to off-white powder
    Molecular weight:680.65 (anhydrous)

    Ref: 7W-GA8523

    1g
    44.00€
    5g
    102.00€
    25g
    398.00€
  • Lesinurad Impurity 41

    CAS:
    Formula:C14H11N3O2S
    Color and Shape:White To Off-White Solid
    Molecular weight:285.33

    Ref: 4Z-L-109021

    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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  • Dexmedetomidine Impurity 1-13C-d3


    Formula:C1213CH13D3N2O
    Molecular weight:220.29

    Ref: 4Z-D-291009

    5mg
    To inquire
    10mg
    2,912.00€
    25mg
    5,339.00€
    50mg
    8,858.00€
    100mg
    To inquire
  • Nimesulide Impurity 1


    Formula:C13H12N2O5S
    Color and Shape:Off-White Solid
    Molecular weight:308.31

    Ref: 4Z-N-0813

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

    CAS:
    Formula:C19H24FN5O3
    Color and Shape:White To Off-White Solid
    Molecular weight:389.43

    Ref: 4Z-R-248

    5mg
    To inquire
    10mg
    1,699.00€
    25mg
    3,155.00€
    50mg
    5,096.00€
    100mg
    To inquire
  • Chlorantraniliprole Impurity 2

    CAS:
    Formula:C18H14Cl3N5O2
    Molecular weight:438.69

    Ref: 4Z-C-464003

    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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  • Valproic Acid EP Impurity K (Valproic Acid USP Related Compound K)

    CAS:
    Formula:C8H16O2
    Color and Shape:Yellow Liquid
    Molecular weight:144.21

    Ref: 4Z-V-068

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Desmopressin EP Impurity B Trifluoroacetate


    Formula:C46H63N13O13S2·C2HF3O2
    Color and Shape:White To Off-White Solid
    Molecular weight:1070.21 114.02

    Ref: 4Z-PD-825

    5mg
    To inquire
    10mg
    1,456.00€
    25mg
    2,670.00€
    50mg
    4,368.00€
    100mg
    To inquire
  • N-Nitroso Ifosfamide EP Impurity E


    Formula:C5H10Cl2N2O
    Molecular weight:185.05

    Ref: 4Z-I-067016

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Salicylic Acid Impurity 17


    Formula:C12H16O6S
    Color and Shape:Off-White Solid
    Molecular weight:288.31

    Ref: 4Z-S-3526

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Ramipril EP Impurity J (Ramipril Enantiomer)

    CAS:
    Formula:C23H32N2O5
    Color and Shape:White To Off-White Solid
    Molecular weight:416.52

    Ref: 4Z-R-0213

    5mg
    To inquire
    10mg
    1,335.00€
    25mg
    2,366.00€
    50mg
    3,944.00€
    100mg
    To inquire
  • Cabotegravir Impurity 26

    CAS:
    Formula:C13H14N2O6
    Molecular weight:294.26

    Ref: 4Z-C-241032

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Cyclosporin Impurity 20 (Mixture of Isomers)


    Formula:C10H17NO3
    Molecular weight:199.25

    Ref: 4Z-PC-5447

    5mg
    To inquire
    10mg
    4,368.00€
    25mg
    8,008.00€
    50mg
    13,104.00€
    100mg
    To inquire
  • Clotrimazole EP Impurity E

    CAS:
    Formula:C13H9ClO
    Color and Shape:White To Off-White Solid
    Molecular weight:216.66

    Ref: 4Z-C-266

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • rac-Domperidone EP Impurity C (Domperidone N-Oxide)

    CAS:
    Formula:C22H24ClN5O3
    Color and Shape:White To Off-White Solid
    Molecular weight:441.92

    Ref: 4Z-D-495

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Bicalutamide EP Impurity J (Bicalutamide Sulfide)

    CAS:
    Formula:C18H14F4N2O2S
    Color and Shape:Off-White Solid
    Molecular weight:398.38

    Ref: 4Z-B-029

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Clopidogrel Impurity 59


    Formula:C16H16ClNO5S2
    Molecular weight:401.88

    Ref: 4Z-C-1394

    5mg
    To inquire
    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
    To inquire
  • Milrinone Impurity 5

    CAS:
    Formula:C13H12N2O3
    Color and Shape:Off-White Solid
    Molecular weight:244.25

    Ref: 4Z-M-816

    5mg
    To inquire
    10mg
    635.00€
    25mg
    1,032.00€
    50mg
    1,699.00€
    100mg
    To inquire
  • N-Nitroso Plerixafor Impurity 16 Tritrifluoroacetate


    Formula:C10H23N5O·3C2HF3O2
    Molecular weight:229.33 3*114.02

    Ref: 4Z-P-5555

    5mg
    To inquire
    10mg
    1,942.00€
    25mg
    3,580.00€
    50mg
    5,764.00€
    100mg
    To inquire
  • Vilanterol Impurity 10 HCl

    CAS:
    Formula:C24H31Cl2NO5·HCl
    Color and Shape:Pale Yellow Semi-Solid
    Molecular weight:484.42 36.46

    Ref: 4Z-V-058012

    5mg
    To inquire
    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
    To inquire
  • Trifluridine Impurity 10-13C, 15N2

    CAS:
    Formula:C413CH5F315N2O2
    Color and Shape:White To Off-White Solid
    Molecular weight:185.08

    Ref: 4Z-T-182012

    5mg
    To inquire
    10mg
    1,456.00€
    25mg
    2,670.00€
    50mg
    4,368.00€
    100mg
    To inquire
  • Bisoprolol Fumarate EP Impurity S

    CAS:
    Formula:C7H6O2
    Color and Shape:Yellow Solid
    Molecular weight:122.12

    Ref: 4Z-B-0917

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Regadenoson Impurity 7

    CAS:
    Formula:C6H8N2O2
    Molecular weight:140.14

    Ref: 4Z-R-095008

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Cefotaxime Impurity 13


    Formula:C32H32N10O13S4
    Molecular weight:892.91

    Ref: 4Z-C-106027

    5mg
    To inquire
    10mg
    2,912.00€
    25mg
    5,339.00€
    50mg
    8,858.00€
    100mg
    To inquire
  • Valaciclovir EP Impurity F Tosylate (Valacyclovir USP Related Compound F)

    CAS:
    Formula:C7H15NO3·C7H8O3S
    Color and Shape:White To Off-White Solid
    Molecular weight:161.20 172.20

    Ref: 4Z-V-016

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

    CAS:
    Formula:C18H15NO3
    Molecular weight:293.32

    Ref: 7W-GP7057

    ne
    To inquire
  • Sulfentrazone Impurity 1


    Formula:C11H10Cl2F2N4O5S2
    Color and Shape:White To Off-White Solid
    Molecular weight:451.24

    Ref: 4Z-S-076004

    5mg
    To inquire
    10mg
    1,335.00€
    25mg
    2,366.00€
    50mg
    3,944.00€
    100mg
    To inquire
  • Pramipexole Impurity 29

    CAS:
    Formula:C13H19N3O2S
    Molecular weight:281.38

    Ref: 4Z-P-1216

    5mg
    To inquire
    10mg
    1,092.00€
    25mg
    1,942.00€
    50mg
    3,034.00€
    100mg
    To inquire
  • Gefitinib Impurity 54

    CAS:
    Formula:C16H13ClFN3O2
    Color and Shape:Off-White Solid
    Molecular weight:333.75

    Ref: 4Z-G-238

    5mg
    To inquire
    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
    100mg
    To inquire
  • Clarithromycin EP Impurity G

    CAS:
    Formula:C39H72N2O13
    Color and Shape:White To Off-White Solid
    Molecular weight:777.01

    Ref: 4Z-C-3720

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

    CAS:
    Formula:C17H19NO4
    Color and Shape:White To Off-White Solid
    Molecular weight:301.34

    Ref: 4Z-P-11007

    5mg
    To inquire
    10mg
    2,912.00€
    25mg
    5,339.00€
    50mg
    8,858.00€
    100mg
    To inquire
  • Vortioxetine Impurity 12

    CAS:
    Formula:C18H22N2S
    Color and Shape:Pale Yellow Solid
    Molecular weight:298.45

    Ref: 4Z-V-043013

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Cetirizine Impurity 22 DiHCl


    Formula:C20H25ClN2O·2HCl
    Molecular weight:344.89 2*36.46

    Ref: 4Z-C-2047

    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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