Active pharmaceutical ingredient (API) impurities for research

All products contained in this category are intended for laboratory use only, and are not meant for human consumption.

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Product data	Purity	Price range	Estimated delivery
Temazepam Related Compound G (7-Chloro-1,4-dimethyl-5-phenyl-4,5-dihydro-1H-1,4-benzodiazepine-2,3-dione) REF: 45-1646375CAS: 93329-92-1	- - -	775.00 €	Tue 15 Oct 24
Zidovudine Related Compound D ([1-(2-Deoxy-β-D-ribofuranosyl)]thymine) REF: 45-1724543CAS: 50-89-5	- - -	1,346.00 €	Tue 15 Oct 24
Triethylamine (N,N-diethylethanamine) REF: 45-1683559CAS: 121-44-8	- - -	455.00 €	Tue 15 Oct 24
Mycophenolate Mofetil Related Compound A (2-Morpholinoethyl (E)-6-(1,3-dihydro-4,6-dihydroxy-7-methyl-3-oxo-5-isobenzofuranyl)-4-methyl-4-hexenoate) REF: 45-1448967CAS: 1322681-36-6	- - -	1,477.00 €	Tue 15 Oct 24
Methoxsalen Related Compound A (4-Methoxy-7H-furo[3,2-g]chromen-7-one) REF: 45-1065345CAS: 484-20-8	- - -	1,460.00 €	Tue 15 Oct 24
Desogestrel Related Compound D (13-Ethyl-11-methylenegon-4-en-17-one) REF: 45-1173279CAS: 54024-21-4	- - -	1,308.00 €	Tue 15 Oct 24
Imiquimod Related Compound B (1-Isobutyl-1H-imidazo[4,5-c]quinoline 5-oxide) REF: 45-1338335CAS: 99010-63-6	- - -	1,477.00 €	Tue 15 Oct 24
Desflurane Related Compound A (Bis-(1,2,2,2-tetrafluoroethyl)ether) REF: 45-1171910CAS: 67429-44-1	- - -	1,439.00 €	Tue 15 Oct 24
Ciprofloxacin Related Compound A (7-Chloro-1-cyclopropyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid hydrochloride salt) REF: 45-1134346	- - -	1,477.00 €	Tue 15 Oct 24
Modafinil Related Compound C (2-[(diphenylmethyl)sulfenyl]acetamide) REF: 45-1445368CAS: 68524-30-1	- - -	1,371.00 €	Tue 15 Oct 24
Moxifloxacin Related Compound A (1-cyclopropyl-6,8-difluoro-1,4-dihydro-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-3-quinolinecarboxylic acid) REF: 45-1448617CAS: 151213-15-9	- - -	1,477.00 €	Tue 15 Oct 24
Testosterone Enanthate Related Compound G (Androst-4,9(11)-dien-3-one-17β-yl heptanoate) REF: 45-1646053CAS: 119698-27-0	- - -	887.00 €	Tue 15 Oct 24
Meclizine Related Compound B (1-[(4-Chlorophenyl)(phenyl)methyl]-4-(2-methylbenzyl)piperazine dihydrochloride monohydrate) REF: 45-1377029CAS: 31884-77-2	- - -	1,426.00 €	Tue 15 Oct 24
Inamrinone Related Compound B (2-Hydroxy-N-(6-oxo-1,6-dihydro-[3,4'-bipyridin]-5-yl)propanamide) REF: 45-1034341	- - -	775.00 €	Tue 15 Oct 24
Doxorubicinone ((8S,10S)-6,8,10,11-Tetrahydroxy-8-(hydroxyacetyl)-1-methoxy-7,8,9,10-tetrahydrotetracene-5,12-dione) REF: 45-1225758CAS: 24385-10-2	- - -	2,802.00 €	Tue 15 Oct 24
Voriconazole Related Compound D ((2RS,3SR)-2-(2,4-difluorophenyl)-3-(pyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol) REF: 45-1718041CAS: 182369-73-9	- - -	1,371.00 €	Tue 15 Oct 24
Adapalene Related Compound D (4,4'-dimethoxy-3,3'-di(adamant-1-yl)biphenyl) REF: 45-1011743CAS: 932033-57-3	- - -	1,477.00 €	Tue 15 Oct 24
Timolol Related Compound E ((S,Z)-4-({1-(tert-butylamino)-3-[(4-morpholino-1,2,5-thiadiazol-3-yl)oxy]propan-2-yl}oxy)-4-oxobut-2-enoic acid maleate salt (1:1)) REF: 45-1667443CAS: 1026075-53-5	- - -	1,441.00 €	Tue 15 Oct 24
Acetyl Simvastatin ((1S,3R,7S,8S,8aR)-8-{2-[(2R,4R)-4-(acetoxy)-6-oxotetrahydro-2H-pyran-2-yl]ethyl}-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl 2,2-dimethylbutanoate) REF: 45-1010208CAS: 145576-25-6	- - -	1,346.00 €	Tue 15 Oct 24
Clopidogrel Related Compound B (Methyl(+/-)-(o-chlorophenyl)-4,5-dihydrothieno[2,3-c]pyridine-6(7H)-acetate, hydrochloride) REF: 45-1140597CAS: 144750-52-7	- - -	1,663.00 €	Tue 15 Oct 24

Temazepam Related Compound G (7-Chloro-1,4-dimethyl-5-phenyl-4,5-dihydro-1H-1,4-benzodiazepine-2,3…

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Temazepam Related Compound G (7-Chloro-1,4-dimethyl-5-phenyl-4,5-dihydro-1H-1,4-benzodiazepine-2,3-dione)

CAS:93329-92-1

Heterocyclic compounds (excluding aromatic or modified

Formula:

C₁₇H₁₅ClN₂O₂

Color and Shape:

Powder

Molecular weight:

314.08221

Ref: 45-1646375

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Zidovudine Related Compound D ([1-(2-Deoxy-β-D-ribofuranosyl)]thymine)

CAS:50-89-5

Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi

Formula:

C₁₀H₁₄N₂O₅

Color and Shape:

White Crystalline Powder

Molecular weight:

242.09027

Ref: 45-1724543

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Triethylamine (N,N-diethylethanamine)

CAS:121-44-8

Acyclic monoamines and their derivatives, nesoi

Formula:

C₆H₁₅N

Color and Shape:

Clear Colorless Liquid

Molecular weight:

101.19 g/mol

Ref: 45-1683559

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Mycophenolate Mofetil Related Compound A (2-Morpholinoethyl (E)-6-(1,3-dihydro-4,6-dihydroxy-7-methyl-3-oxo-5-isobenzofuranyl)-4-methyl-4-hexenoate)

CAS:1322681-36-6

Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi

Formula:

C₂₂H₂₉NO₇

Color and Shape:

Beige Powder

Molecular weight:

419.1944

Ref: 45-1448967

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Methoxsalen Related Compound A (4-Methoxy-7H-furo[3,2-g]chromen-7-one)

CAS:484-20-8

Lactones, nesoi

Formula:

C₁₂H₈O₄

Color and Shape:

White Powder

Molecular weight:

216.04226

Ref: 45-1065345

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Desogestrel Related Compound D (13-Ethyl-11-methylenegon-4-en-17-one)

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Desogestrel Related Compound D (13-Ethyl-11-methylenegon-4-en-17-one)

CAS:54024-21-4

Cyclanic, cyclenic or cycloterpenic ketones without other oxygen function not elsewhere specified or included

Formula:

C₂₀H₂₈O

Color and Shape:

White Off-White Crystalline Powder

Molecular weight:

284.21402

Ref: 45-1173279

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Imiquimod Related Compound B (1-Isobutyl-1H-imidazo[4,5-c]quinoline 5-oxide)

CAS:99010-63-6

Aromatic or modified aromatic heterocyclic compounds withnitrogen hetero-atom(s) only nesoi

Formula:

C₁₄H₁₅N₃O

Color and Shape:

Yellow Powder

Molecular weight:

241.12151

Ref: 45-1338335

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Desflurane Related Compound A (Bis-(1,2,2,2-tetrafluoroethyl)ether)

CAS:67429-44-1

Ethers of monohydric alcohols, nesoi

Formula:

C₄H₂F₈O

Color and Shape:

Colorless Liquid

Molecular weight:

217.99779

Ref: 45-1171910

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Ciprofloxacin Related Compound A (7-Chloro-1-cyclopropyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid hydrochloride salt)

Compounds containing a pyrimidine ring (whether or not

Formula:

C₁₇H₁₈N₃O₃Cl·HCl

Color and Shape:

Pale Yellow Powder

Molecular weight:

384.26

Ref: 45-1134346

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Modafinil Related Compound C (2-[(diphenylmethyl)sulfenyl]acetamide)

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Modafinil Related Compound C (2-[(diphenylmethyl)sulfenyl]acetamide)

CAS:68524-30-1

Other aromatic organo-sulfur compounds (excluding pesti

Formula:

C₁₅H₁₅NOS

Color and Shape:

White Powder

Molecular weight:

257.08744

Ref: 45-1445368

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Moxifloxacin Related Compound A (1-cyclopropyl-6,8-difluoro-1,4-dihydro-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-3-quinolinecarboxylic acid)

CAS:151213-15-9

Compounds (excluding drugs and pesticides) containing a quinoline or isoquinoline ring-system (whether or not hydrogenated) …

Formula:

C₂₀H₂₁F₂N₃O₃

Color and Shape:

White Off-White Powder

Molecular weight:

389.1551

Ref: 45-1448617

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Testosterone Enanthate Related Compound G (Androst-4,9(11)-dien-3-one-17β-yl heptanoate)

CAS:119698-27-0

Adrenal cortical hormones and their derivatives nesoi

Formula:

C₂₆H₃₈O₃

Color and Shape:

White Waxy Solid

Molecular weight:

398.2821

Ref: 45-1646053

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Meclizine Related Compound B (1-[(4-Chlorophenyl)(phenyl)methyl]-4-(2-methylbenzyl)piperazine dihydrochloride monohydrate)

CAS:31884-77-2

Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, …

Formula:

C₂₅H₂₇ClN₂· 2HCl·H₂O

Color and Shape:

White Powder

Molecular weight:

390.18628

Ref: 45-1377029

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Inamrinone Related Compound B (2-Hydroxy-N-(6-oxo-1,6-dihydro-[3,4'-bipyridin]-5-yl)propanamide)

Lactams not elsewhere specified or included

Formula:

C₁₃H₁₃N₃O₃

Color and Shape:

Tan Powder

Molecular weight:

259.09569

Ref: 45-1034341

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Doxorubicinone ((8S,10S)-6,8,10,11-Tetrahydroxy-8-(hydroxyacetyl)-1-methoxy-7,8,9,10-tetrahydrotetracene-5,12-dione)

CAS:24385-10-2

Other quinones

Formula:

C₂₁H₁₈O₉

Color and Shape:

Orange Red Powder

Molecular weight:

414.09508

Ref: 45-1225758

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Voriconazole Related Compound D ((2RS,3SR)-2-(2,4-difluorophenyl)-3-(pyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol)

CAS:182369-73-9

Aromatic or modified aromatic heterocyclic compounds withnitrogen hetero-atom(s) only nesoi

Formula:

C₁₆H₁₅F₂N₅O

Color and Shape:

White Off-White Solid

Molecular weight:

331.12447

Ref: 45-1718041

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Adapalene Related Compound D (4,4'-dimethoxy-3,3'-di(adamant-1-yl)biphenyl)

CAS:932033-57-3

Aromatic ethers and their halogenated, sulfonated, nitrated or nitrosated derivatives

Formula:

C₃₄H₄₂O₂

Color and Shape:

Powder

Molecular weight:

482.31848

Ref: 45-1011743

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Timolol Related Compound E ((S,Z)-4-({1-(tert-butylamino)-3-[(4-morpholino-1,2,5-thiadiazol-3-yl)oxy]propan-2-yl}oxy)-4-oxobut-2-enoic acid maleate salt (1:1))

CAS:1026075-53-5

Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi

Formula:

C₁₇H₂₆N₄O₆S

Color and Shape:

Off-White Powder

Molecular weight:

414.15731

Ref: 45-1667443

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Acetyl Simvastatin ((1S,3R,7S,8S,8aR)-8-{2-[(2R,4R)-4-(acetoxy)-6-oxotetrahydro-2H-pyran-2-yl]ethyl}-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl 2,2-dimethylbutanoate)

CAS:145576-25-6

Lactones, nesoi

Formula:

C₂₇H₄₀O₆

Color and Shape:

Powder

Molecular weight:

460.28249

Ref: 45-1010208

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Clopidogrel Related Compound B (Methyl(+/-)-(o-chlorophenyl)-4,5-dihydrothieno[2,3-c]pyridine-6(7H…

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Clopidogrel Related Compound B (Methyl(+/-)-(o-chlorophenyl)-4,5-dihydrothieno[2,3-c]pyridine-6(7H)-acetate, hydrochloride)

CAS:144750-52-7

Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi

Formula:

C₁₆H₁₇Cl₂NO₂S

Color and Shape:

White Off-White Powder

Molecular weight:

357.03571

Ref: 45-1140597

Estimated delivery in United States, on Tuesday 15 Oct 2024

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