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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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  • Cholesterol Impurity 12

    CAS:
    Formula:C24H36O4
    Molecular weight:388.55

    Ref: 4Z-C-5347

    5mg
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    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
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  • Hydroxyzine Impurity 1 DiHCl

    CAS:
    Formula:C8H18N2O2·2HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:174.24 2 36.46

    Ref: 4Z-H-106

    5mg
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    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
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  • Melphalan EP Impurity F

    CAS:
    Formula:C13H17Cl3N2O2
    Color and Shape:White To Off-White Solid
    Molecular weight:339.64

    Ref: 4Z-M-8529

    5mg
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    10mg
    2,427.00€
    25mg
    4,368.00€
    50mg
    7,220.00€
    100mg
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  • Thiamine Impurity 23 Bromide HBr

    CAS:
    Formula:C12H14N5O·Br·HBr
    Color and Shape:Off-White Solid
    Molecular weight:244.28 79.90 80.91

    Ref: 4Z-T-8447

    5mg
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    10mg
    635.00€
    25mg
    1,032.00€
    50mg
    1,699.00€
    100mg
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  • Norfloxacin EP Impurity D

    CAS:
    Formula:C15H18FN3O
    Color and Shape:White To Off-White Solid
    Molecular weight:275.33

    Ref: 4Z-N-327

    5mg
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    10mg
    635.00€
    25mg
    1,032.00€
    50mg
    1,699.00€
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  • N-Nitroso Mianserin EP Impurity E


    Formula:C17H17N3O
    Molecular weight:279.34

    Ref: 4Z-M-0915

    5mg
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    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
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  • Tacrolimus EP Impurity D (8-epi Tacrolimus)

    CAS:
    Formula:C44H69NO12
    Color and Shape:Pale Yellow Solid
    Molecular weight:804.03

    Ref: 4Z-T-396

    5mg
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    10mg
    2,912.00€
    25mg
    5,339.00€
    50mg
    8,858.00€
    100mg
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  • Cefazolin Impurity 11

    CAS:
    Formula:C7H13N5O3
    Color and Shape:White To Off-White Solid
    Molecular weight:215.21

    Ref: 4Z-C-9631

    5mg
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    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
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  • Levodopa Impurity 4

    CAS:
    Formula:C9H7NO4
    Color and Shape:Grey Solid
    Molecular weight:193.16

    Ref: 4Z-D-3227

    5mg
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    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
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  • Clarithromycin EP Impurity M

    CAS:
    Formula:C37H68N2O13
    Color and Shape:White To Off-White Solid
    Molecular weight:748.95

    Ref: 4Z-C-3713

    5mg
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    10mg
    635.00€
    25mg
    1,032.00€
    50mg
    1,699.00€
    100mg
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  • Selexipag Impurity 43


    Formula:C19H17N3O4S
    Molecular weight:383.42

    Ref: 4Z-S-101049

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

    CAS:
    Formula:C35H34ClNO2S
    Color and Shape:Pale Yellow Solid
    Molecular weight:568.17

    Ref: 4Z-M-308

    5mg
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    10mg
    1,092.00€
    25mg
    1,942.00€
    50mg
    3,034.00€
    100mg
    To inquire
  • ZZR Impurity 9


    Formula:C20H28N2O2S
    Color and Shape:White To Off-White Solid
    Molecular weight:360.52

    Ref: 4Z-Z-039021

    5mg
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    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
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  • Cilastatin EP Impurity A HCl (Mixture of Diastereomers)


    Formula:C16H26N2O6S·HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:374.45 36.46

    Ref: 4Z-C-136004

    5mg
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    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
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  • Epinastine Impurity 9

    CAS:
    Formula:C15H15NO
    Color and Shape:White To Off-White Solid
    Molecular weight:225.29

    Ref: 4Z-E-4318

    5mg
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    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
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  • Biperiden EP Impurity B-d5


    Formula:C21H24D5NO
    Color and Shape:Off-White Solid
    Molecular weight:316.50

    Ref: 4Z-B-111017

    5mg
    To inquire
    10mg
    2,912.00€
    25mg
    5,339.00€
    50mg
    8,858.00€
    100mg
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  • Esketamine EP Impurity C

    CAS:
    Formula:C12H13ClO2
    Color and Shape:Pale Yellow Liquid
    Molecular weight:224.68

    Ref: 4Z-E-622

    5mg
    To inquire
    10mg
    910.00€
    25mg
    1,638.00€
    50mg
    2,366.00€
    100mg
    To inquire
  • Cholic Acid Impurity 24

    CAS:
    Formula:C24H40O5
    Color and Shape:White To Off-White Solid
    Molecular weight:408.58

    Ref: 4Z-C-5787

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

    CAS:
    Formula:C7H9ClN2
    Molecular weight:156.61

    Ref: 4Z-A-265005

    5mg
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    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
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  • Bortezomib Impurity 54 HCl

    CAS:
    Formula:C24H37BN2O3·HCl
    Molecular weight:412.38 36.46

    Ref: 4Z-B-4667

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Hydroxychloroquine EP Impurity B Sodium Salt (Hydroxychloroquine O-Sulfate Sodium Salt)

    CAS:
    Formula:C18H25ClN3O4S·Na
    Color and Shape:Off-White Solid
    Molecular weight:414.93 22.99

    Ref: 4Z-H-0611

    5mg
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  • Timolol EP Impurity A Maleate (Timolol USP Related Compound A, (R)-Timolol Maleate)

    CAS:
    Formula:C13H24N4O3S·C4H4O4
    Color and Shape:White To Off-White Solid
    Molecular weight:316.43 116.07

    Ref: 4Z-T-689

    5mg
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    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • N-Desethyl Lidocaine Hydrochloride Monohydrate EP Impurity K HCl

    CAS:
    Formula:C11H16N2O·HCl
    Molecular weight:192.26 36.46

    Ref: 4Z-L-0660

    5mg
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  • Nicotinamide, 99%, Ph. Eur. grade

    CAS:
    Formula:C6H6N2O
    Purity:99.0 - 101.0 % (anhydrous basis)
    Color and Shape:White or almost white crystalline powder
    Molecular weight:122.13

    Ref: 7W-GP9253

    1kg
    141.00€
    25g
    16.00€
    100g
    25.00€
    250g
    49.00€
    500g
    85.00€
  • Spinosyn J Impurity 1


    Formula:C40H63NO10
    Molecular weight:717.94

    Ref: 4Z-S-088019

    5mg
    To inquire
    10mg
    4,368.00€
    25mg
    8,008.00€
    50mg
    13,104.00€
    100mg
    To inquire
  • Milrinone Impurity 19


    Formula:C12H9N3O
    Molecular weight:211.22

    Ref: 4Z-M-8122

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

    CAS:
    Formula:C17H20N2S
    Color and Shape:Brown Semi-Solid Semi-Solid
    Molecular weight:284.42

    Ref: 4Z-V-043002

    5mg
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    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
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  • Fingolimod Impurity 3

    CAS:
    Formula:C25H39NO5
    Color and Shape:White To Off-White Solid
    Molecular weight:433.59

    Ref: 4Z-F-327

    5mg
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    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Tolterodine EP Impurity G

    CAS:
    Formula:C22H31NO2
    Color and Shape:White To Off-White Solid
    Molecular weight:341.49

    Ref: 4Z-T-1730

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
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  • Cefepime Impurity 9


    Formula:C8H10N4O3S·C8H12N4O4S
    Color and Shape:Pale Yellow Solid
    Molecular weight:242.25 260.27

    Ref: 4Z-C-11106

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

    CAS:
    Formula:C6H10N6
    Purity:≥ 95.0%
    Color and Shape:White to off-white powder
    Molecular weight:166.18

    Ref: 7W-GP5710

    5g
    35.00€
    25g
    104.00€
    100g
    255.00€
  • Vonoprazan Impurity 46

    CAS:
    Formula:C23H21F2N3
    Molecular weight:377.44

    Ref: 4Z-V-051048

    5mg
    To inquire
    10mg
    635.00€
    25mg
    1,032.00€
    50mg
    1,699.00€
    100mg
    To inquire
  • Propafenone EP Impurity F

    CAS:
    Formula:C33H32O5
    Color and Shape:White To Off-White Solid
    Molecular weight:508.61

    Ref: 4Z-P-1518

    5mg
    To inquire
    10mg
    508.00€
    25mg
    825.00€
    50mg
    1,153.00€
    100mg
    To inquire
  • Aripiprazole EP Impurity B-d8 HCl (Aripiprazole USP Related Compound C-d8)

    CAS:
    Formula:C10H4D8Cl2N2·HCl
    Molecular weight:239.17 36.46

    Ref: 4Z-A-1470

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


    Formula:C14H10N2O2
    Molecular weight:238.25

    Ref: 4Z-O-0643

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

    CAS:
    Formula:C17H19F2N3O3·HCl
    Purity:≥ 98.0%
    Color and Shape:White, off-white or pale yellow powder
    Molecular weight:387.81

    Ref: 7W-GA6534

    1g
    44.00€
    10g
    104.00€
    25g
    184.00€
  • Fasudil Impurity 7


    Formula:C14H17N3O2S
    Color and Shape:White To Off-White Solid
    Molecular weight:291.37

    Ref: 4Z-F-6111

    5mg
    To inquire
    10mg
    1,214.00€
    25mg
    2,184.00€
    50mg
    3,398.00€
    100mg
    To inquire
  • Indacaterol Impurity 6 HCl

    CAS:
    Formula:C13H19N·HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:189.30 36.46

    Ref: 4Z-I-065008

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Lansoprazole EP Impurity D (Rabeprazole EP Impurity K)

    CAS:
    Formula:C7H6N2O
    Color and Shape:Brown Solid
    Molecular weight:134.14

    Ref: 4Z-L-0312

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    To inquire
  • Fudosteine Impurity 22


    Formula:C12H17NO4
    Color and Shape:White To Off-White Solid
    Molecular weight:239.27

    Ref: 4Z-F-3029

    5mg
    To inquire
    10mg
    1,456.00€
    25mg
    2,670.00€
    50mg
    4,368.00€
    100mg
    To inquire
  • Zolmitriptan Impurity 8 (Mixture of Diastereomers)


    Formula:C16H21N3O4
    Color and Shape:Pale Brown Solid
    Molecular weight:319.36

    Ref: 4Z-Z-0223

    5mg
    To inquire
    10mg
    1,456.00€
    25mg
    2,670.00€
    50mg
    4,368.00€
    100mg
    To inquire
  • Azithromycin Impurity 4


    Formula:C8H16O4
    Color and Shape:Colorless Liquid
    Molecular weight:176.21

    Ref: 4Z-A-2627

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Semaglutide Impurity 29 Tetratrifluoroacetate (β-Asp-9)


    Formula:C187H291N45O59·4C2HF3O2
    Molecular weight:4113.64 4*114.02

    Ref: 4Z-PS-189044

    5mg
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    10mg
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  • Plerixafor Impurity 5 TriHCl

    CAS:
    Formula:C12H23F3N4O·3HCl
    Color and Shape:White To Off-White Solid
    Molecular weight:296.34 3*36.46

    Ref: 4Z-P-558

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Calcitonin Impurity 35


    Formula:C25H26N2O6
    Molecular weight:450.49

    Ref: 4Z-PC-322042

    5mg
    To inquire
    10mg
    635.00€
    25mg
    1,032.00€
    50mg
    1,699.00€
    100mg
    To inquire
  • Evocalcet Impurity 6


    Formula:C24H26N2O2
    Molecular weight:374.48

    Ref: 4Z-E-204009

    5mg
    To inquire
    10mg
    1,456.00€
    25mg
    2,670.00€
    50mg
    4,368.00€
    100mg
    To inquire
  • Mometasone Furoate EP Impurity P


    Formula:C27H31ClO7
    Color and Shape:White To Off-White Solid
    Molecular weight:502.99

    Ref: 4Z-M-1426

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire
  • Ketamine EP Impurity A HCl (Ketamine USP Related Compound A HCl)

    CAS:
    Formula:C13H16ClNO·HCl
    Molecular weight:237.73 36.46

    Ref: 4Z-K-018034

    5mg
    To inquire
    10mg
    444.00€
    25mg
    635.00€
    50mg
    825.00€
    100mg
    1,144.00€
  • Budesonide Impurity 13

    CAS:
    Formula:C21H27BrO6
    Color and Shape:White To Off-White Solid
    Molecular weight:455.35

    Ref: 4Z-B-0345

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

    CAS:
    Formula:C25H32O6
    Color and Shape:White To Off-White Solid
    Molecular weight:428.53

    Ref: 4Z-D-3654

    5mg
    To inquire
    10mg
    698.00€
    25mg
    1,153.00€
    50mg
    2,002.00€
    100mg
    To inquire