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
Bupropion Hydrochloride Related Compound C (1-(3-chlorophenyl)-2-hydroxypropan-1-one) REF: 45-1078766CAS: 152943-33-4	- - -	1,739.00 €	Fri 13 Dec 24
Bupropion Related Compound G (2-Bromo-1-(3-chlorophenyl)propan-1-one) REF: 45-1078857CAS: 34911-51-8	- - -	1,495.00 €	Fri 13 Dec 24
Fluorouracil Related Compound F (2-Ethoxy-5-fluoropyrimidin-4(1H)-one) REF: 45-1279065CAS: 56177-80-1	- - -	1,371.00 €	Fri 13 Dec 24
Betamethasone Dipropionate Related Compound C (9-Fluoro-11β,17-dihydroxy-16β-methyl-3,20-dioxopregna-1,4-diene-21-yl propionate) REF: 45-1067737CAS: 75883-07-7	- - -	1,425.00 €	Fri 13 Dec 24
Spironolactone Related Compound A ((2'R)-3',4'-Dihydro-5'H-spiro[androst-4,6-diene-17,2'-furan]-3,5'-dione) REF: 45-1619017CAS: 976-71-6	- - -	1,477.00 €	Fri 13 Dec 24
Nicotine Related Compound D (3-(4,5-dihydro-3H-pyrrol-2-yl)pyridine fumarate) REF: 45-1463359	- - -	1,441.00 €	Fri 13 Dec 24
Glycopyrrolate Related Compound I ((RS)-3-[(SR)-2-(4-Chlorophenyl)-2-cyclopentyl-2-hydroxyacetoxy]-1,1-dimethylpyrrolidin-1-ium bromide) REF: 45-1296086	- - -	1,552.00 €	Fri 13 Dec 24
Sulfaquinoxaline Related Compound A (N1,N2-diquinoxalin-2-ylsulfanilamide) REF: 45-1635228	- - -	617.00 €	Fri 13 Dec 24
Ursodiol Related Compound H (3β, 7β-Dihydroxy-5β-cholan-24-oic acid) REF: 45-1707792CAS: 78919-26-3	- - -	1,398.00 €	Fri 13 Dec 24
Flunixin Related Compound C (Ethyl 2-chloronicotinate) REF: 45-1274631CAS: 1452-94-4	- - -	1,699.00 €	Fri 13 Dec 24
Orphenadrine Related Compound C (N-methyl-2-[phenyl(o-tolyl)methoxy]ethanamine hydrochloride) REF: 45-1479031CAS: 10488-36-5	- - -	1,493.00 €	Fri 13 Dec 24
Clomipramine Related Compound F (3-Chloro-10,11-dihydro-5H-dibenzo[b,f]azepine) REF: 45-1140292CAS: 32943-25-2	- - -	1,477.00 €	Fri 13 Dec 24
6-Ketonorethindrone Acetate (3,6-Dioxo-19-nor-17α pregn-4-en-20-yn-17-yl acetate) REF: 45-1356213CAS: 438244-27-0	- - -	1,222.00 €	Fri 13 Dec 24
Minoxidil Related Compound E (6-(Piperidin-1-yl)pyrimidine-2,4-diamine) REF: 45-1444220CAS: 24867-26-3	- - -	1,477.00 €	Fri 13 Dec 24
Glimepiride Related Compound C ((Methyl ({4-[2-(3-ethyl-4-methyl-2-oxo-2,5-dihydro-1H-pyrrole-1-carboxamido)ethyl]phenyl}sulfonyl)carbamate) REF: 45-1292336CAS: 119018-30-3	- - -	1,371.00 €	Fri 13 Dec 24
Doxapram Related Compound B (1-Ethyl-4-{2-[(2-hydroxyethyl)amino]ethyl}-3,3-diphenylpyrrolidin-2-one hydrochloride) REF: 45-1225022CAS: 100106-91-0	- - -	815.00 €	Fri 13 Dec 24
Omeprazole Related Compound I (4-Methoxy-2-[[(5-methoxy-1H-benzimidazol-2-yl)sulfonyl]methyl]-3,5-dimethylpyridine 1-oxide) REF: 45-1478561CAS: 158812-85-2	- - -	1,477.00 €	Fri 13 Dec 24
Sotalol Related Compound A (N-[4-[[(1-Methylethyl)amino]acetyl]phenyl]methanesulfonamide monohydrochloride) REF: 45-1617419	- - -	1,441.00 €	Fri 13 Dec 24
Risedronate Related Compound C ([2-(3-pyridinyl)ethylidene-1,1]bis(phosphonic acid)) REF: 45-1604643CAS: 75755-10-1	- - -	1,371.00 €	Fri 13 Dec 24
Chloroxylenol Related Compound A (2-chloro-3,5-dimethylphenol) REF: 45-1122722CAS: 5538-41-0	- - -	1,477.00 €	Fri 13 Dec 24

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Bupropion Hydrochloride Related Compound C (1-(3-chlorophenyl)-2-hydroxypropan-1-one)

CAS:152943-33-4

Ether-phenols, ether-alcohol-phenols and their halogena

Formula:

C₉H₉O₂Cl

Color and Shape:

Liquid

Molecular weight:

184.02911

Ref: 45-1078766

Estimated delivery in United States, on Friday 13 Dec 2024

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Bupropion Related Compound G (2-Bromo-1-(3-chlorophenyl)propan-1-one)

CAS:34911-51-8

Ketones and quinones, w/not with other oxygen function,and their halogenated,sulfated,nitrated,or nitrosated derivatives, nesoi

Formula:

C₉H₈BrClO

Color and Shape:

Yellow Pale Yellow Liquid

Molecular weight:

245.94471

Ref: 45-1078857

Estimated delivery in United States, on Friday 13 Dec 2024

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Fluorouracil Related Compound F (2-Ethoxy-5-fluoropyrimidin-4(1H)-one)

CAS:56177-80-1

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

Formula:

C₆H₇FN₂O₂

Color and Shape:

White Off-White Powder

Molecular weight:

158.04916

Ref: 45-1279065

Estimated delivery in United States, on Friday 13 Dec 2024

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Betamethasone Dipropionate Related Compound C (9-Fluoro-11β,17-dihydroxy-16β-methyl-3,20-dioxopregna-1,4-diene-21-yl propionate)

CAS:75883-07-7

Halogenated derivatives of adrenal cortical hormones

Formula:

C₂₅H₃₃FO₆

Color and Shape:

White Powder

Molecular weight:

448.22612

Ref: 45-1067737

Estimated delivery in United States, on Friday 13 Dec 2024

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Spironolactone Related Compound A ((2'R)-3',4'-Dihydro-5'H-spiro[androst-4,6-diene-17,2'-furan]-3,5'-dione)

CAS:976-71-6

Adrenal cortical hormones and their derivatives nesoi

Formula:

C₂₂H₂₈O₃

Color and Shape:

Light Yellow Crystalline Powder

Molecular weight:

340.20384

Ref: 45-1619017

Estimated delivery in United States, on Friday 13 Dec 2024

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Nicotine Related Compound D (3-(4,5-dihydro-3H-pyrrol-2-yl)pyridine fumarate)

Other alkaloids,natural or reproduced by synthesis, and their salts, ethers,esters&other derivatives, nesoi

Formula:

C₉H₁₀N₂

Color and Shape:

White Light Brown Powder

Molecular weight:

146.0844

Ref: 45-1463359

Estimated delivery in United States, on Friday 13 Dec 2024

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Glycopyrrolate Related Compound I ((RS)-3-[(SR)-2-(4-Chlorophenyl)-2-cyclopentyl-2-hydroxyacetoxy]-1,1-dimethylpyrrolidin-1-ium bromide)

Aromatic or modified aromatic heterocyclic compounds wi

Formula:

C₁₉H₂₇BrClNO₃

Color and Shape:

White Solid

Molecular weight:

431.08628

Ref: 45-1296086

Estimated delivery in United States, on Friday 13 Dec 2024

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Sulfaquinoxaline Related Compound A (N1,N2-diquinoxalin-2-ylsulfanilamide)

Sulfonamides, excluding drugs

Formula:

C₂₂H₁₆N₆O₂S

Color and Shape:

Orange Powder

Molecular weight:

428.48

Ref: 45-1635228

Estimated delivery in United States, on Friday 13 Dec 2024

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Ursodiol Related Compound H (3β, 7β-Dihydroxy-5β-cholan-24-oic acid)

CAS:78919-26-3

Carboxylic acids w/ alcohol function but w/o other oxygen function and their derivatives, nesoi

Formula:

C₂₄H₄₀O₄

Color and Shape:

White Fine Powder

Molecular weight:

392.29266

Ref: 45-1707792

Estimated delivery in United States, on Friday 13 Dec 2024

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Flunixin Related Compound C (Ethyl 2-chloronicotinate)

CAS:1452-94-4

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₈H₈ClNO₂

Color and Shape:

Clear Liquid

Molecular weight:

185.02436

Ref: 45-1274631

Estimated delivery in United States, on Friday 13 Dec 2024

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Orphenadrine Related Compound C (N-methyl-2-[phenyl(o-tolyl)methoxy]ethanamine hydrochloride)

CAS:10488-36-5

Aromatic drugs of amino-alcohols, other than those contg more than one kind of oxygen function, …

Formula:

C₁₇H₂₁NO·ClH

Color and Shape:

White Off-White Powder

Molecular weight:

291.13899

Ref: 45-1479031

Estimated delivery in United States, on Friday 13 Dec 2024

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Clomipramine Related Compound F (3-Chloro-10,11-dihydro-5H-dibenzo[b,f]azepine)

CAS:32943-25-2

Aromatic or modified aromatic drugs with nitrogen hetero

Formula:

C₁₄H₁₂ClN

Color and Shape:

Off-White Solid

Molecular weight:

229.06583

Ref: 45-1140292

Estimated delivery in United States, on Friday 13 Dec 2024

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6-Ketonorethindrone Acetate (3,6-Dioxo-19-nor-17α pregn-4-en-20-yn-17-yl acetate)

CAS:438244-27-0

Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, …

Formula:

C₂₂H₂₆O₄

Color and Shape:

Light Yellow Powder

Molecular weight:

354.18311

Ref: 45-1356213

Estimated delivery in United States, on Friday 13 Dec 2024

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Minoxidil Related Compound E (6-(Piperidin-1-yl)pyrimidine-2,4-diamine)

CAS:24867-26-3

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

Formula:

C₉H₁₅N₅

Color and Shape:

Off-White Beige Powder

Molecular weight:

193.13275

Ref: 45-1444220

Estimated delivery in United States, on Friday 13 Dec 2024

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Glimepiride Related Compound C ((Methyl ({4-[2-(3-ethyl-4-methyl-2-oxo-2,5-dihydro-1H-pyrrole-1-carboxamido)ethyl]phenyl}sulfonyl)carbamate)

CAS:119018-30-3

Sulfonamides, nesoi

Formula:

C₁₈H₂₃N₃O₆S

Color and Shape:

White Crystalline Powder

Molecular weight:

409.13076

Ref: 45-1292336

Estimated delivery in United States, on Friday 13 Dec 2024

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Doxapram Related Compound B (1-Ethyl-4-{2-[(2-hydroxyethyl)amino]ethyl}-3,3-diphenylpyrrolidin-2-one hydrochloride)

CAS:100106-91-0

Lactams, nesoi

Formula:

C₂₂H₂₉CIN₂O₂

Color and Shape:

Solid

Molecular weight:

492.12738

Ref: 45-1225022

Estimated delivery in United States, on Friday 13 Dec 2024

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Omeprazole Related Compound I (4-Methoxy-2-[[(5-methoxy-1H-benzimidazol-2-yl)sulfonyl]methyl]-3,5-dimethylpyridine 1-oxide)

CAS:158812-85-2

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₁₇H₁₉N₃O₅S

Color and Shape:

Light Brown Light Orange Powder

Molecular weight:

377.10454

Ref: 45-1478561

Estimated delivery in United States, on Friday 13 Dec 2024

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Sotalol Related Compound A (N-[4-[[(1-Methylethyl)amino]acetyl]phenyl]methanesulfonamide monohydrochloride)

Sulfonamides, excluding drugs

Formula:

C₁₂H₁₈N₂O₃S·HCl

Color and Shape:

Powder

Molecular weight:

270.10381

Ref: 45-1617419

Estimated delivery in United States, on Friday 13 Dec 2024

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Risedronate Related Compound C ([2-(3-pyridinyl)ethylidene-1,1]bis(phosphonic acid))

CAS:75755-10-1

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₇H₁₁NO₆P₂

Color and Shape:

White Crystalline Powder

Molecular weight:

267.11

Ref: 45-1604643

Estimated delivery in United States, on Friday 13 Dec 2024

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Chloroxylenol Related Compound A (2-chloro-3,5-dimethylphenol)

CAS:5538-41-0

Derivatives containing only halogen substitutes and the

Formula:

C₈H₉ClO

Color and Shape:

White Flakes

Molecular weight:

156.03419

Ref: 45-1122722

Estimated delivery in United States, on Friday 13 Dec 2024

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