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
Spironolactone Related Compound I (S-[17α-(Ethoxymethyl)-17-hydroxy-3-oxoandrost-4-en-7α-yl]ethanethioate) REF: 45-1619094	- - -	1,442.00 €	Fri 27 Dec 24
p-Toluidine REF: 45-1672053CAS: 106-49-0	- - -	1,266.00 €	Fri 27 Dec 24
Benazepril Related Compound E (3-amino-2,3,4,5-tetrahydro-2-oxo-1H-1-(3S)-benzazepine-1-acetic acid, monohydrochloride) REF: 45-1048663	- - -	1,441.00 €	Fri 27 Dec 24
Acyclovir Related Compound F (N-[9-[(2-Hydroxyethoxy)methyl]-6-oxo-6,9-dihydro-1H-purin-2-yl]acetamide) REF: 45-1012054CAS: 110104-37-5	- - -	1,292.00 €	Fri 27 Dec 24
Irinotecan Related Compound E ((S)-4,11-Diethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione) REF: 45-1347664CAS: 78287-27-1	- - -	1,371.00 €	Fri 27 Dec 24
Benazepril Related Compound F (tert-Butyl-3-amino-2,3,4,5-tetrahydro-2-oxo-1H-1-(3S)-benzazepine-1-acetic acid) REF: 45-1048674CAS: 109010-60-8	- - -	1,371.00 €	Fri 27 Dec 24
Doxycycline Related Compound A ((4S,4aR,5S,5aR,6S,12aS)-4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide, monohydrochloride) REF: 45-1226014CAS: 41411-66-9	- - -	1,477.00 €	Fri 27 Dec 24
Cyclobenzaprine Related Compound B (3-(5H-dibenzo[a,d]cyclohepten-5-ylidene)-N-methyl-1-propanamine, hydrochloride) REF: 45-1154525CAS: 438-59-5	- - -	1,477.00 €	Fri 27 Dec 24
Trospium Chloride Related Compound B ((1R,3r,5S)-8-azabicyclo[3.2.1]octan-3-yl hydroxydiphenylacetate hydrochloride) REF: 45-1699322CAS: 63516-30-3	- - -	1,405.00 €	Fri 27 Dec 24
Decitabine Related Compounds B and C Mixture (4-Amino-1-(3,5-di-O-(4-chlorobenzoyl)-2-deoxy-β-D-ribofuranosyl)-1,3,5-triazin-2(1H)-one and 4-Amino-1-(3,5-di-O-(4-chlorobenzoyl)-2-deoxy-a-D-ribofuranosyl)-1,3,5-triazin-2(1H)-one) REF: 45-1165226	- - -	1,398.00 €	Fri 27 Dec 24
Milnacipran Related Compound A (2-(Aminomethyl)-1-phenylcyclopropane-1-carboxylic acid hydrochloride) REF: 45-1443668CAS: 871100-19-5	- - -	775.00 €	Fri 27 Dec 24
Atomoxetine Related Compound A (3-(Methylamino)-1-phenylpropan-1-ol) REF: 45-1044470CAS: 42142-52-9	- - -	1,371.00 €	Fri 27 Dec 24
Zolmitriptan Related Compound G ((S)-4-(4-Aminobenzyl)oxazolidin-2-one) REF: 45-1727086CAS: 152305-23-2	- - -	1,552.00 €	Fri 27 Dec 24
Bisoprolol Related Compound E (3,3'-(Isopropylazanediyl)bis(1-(4-((2-isopropoxyethoxy)methyl)phenoxy)propan-2-ol)) REF: 45-1075804	- - -	1,357.00 €	Fri 27 Dec 24
Progesterone Related Compound H (Pregna-4,6-diene-3,20-dione) REF: 45-1568018CAS: 1162-56-7	- - -	1,460.00 €	Fri 27 Dec 24
Fluphenazine Related Compound B (10-{3-[4-(2-Hydroxyethyl)piperazin-1-yl]propyl}-2-(trifluoromethyl)-10H-phenothiazine 5,5-dioxide) REF: 45-1282026CAS: 1476-79-5	- - -	2,076.00 €	Fri 27 Dec 24
Brinzolamide Related Compound B ((R)-4-Amino-2-(3-methoxypropyl)-3,4-dihydro-2H-thieno[3,2-e][1,2]thiazine-6-sulfonamide 1,1-dioxide oxalate) REF: 45-1076385	- - -	1,552.00 €	Fri 27 Dec 24
Flavoxate Related Compound A (3-Methyl-4-oxo-2-phenyl-4H-chromene-8-carboxylic acid) REF: 45-1270719CAS: 3468-01-7	- - -	1,371.00 €	Fri 27 Dec 24
Torsemide Related Compound E (4-(3-Tolyl)-2H-pyrido[4,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide) REF: 45-1672359CAS: 72810-61-8	- - -	1,477.00 €	Fri 27 Dec 24
Depramine (3-(5H-dibenzo[b,f]azepin-5-yl)-N,N-dimethylpropan-1-amine hydrochloride) REF: 45-1171397	- - -	1,413.00 €	Fri 27 Dec 24

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Spironolactone Related Compound I (S-[17α-(Ethoxymethyl)-17-hydroxy-3-oxoandrost-4-en-7α-yl]ethanethioate)

Adrenal cortical hormones and their derivatives nesoi

Formula:

C₂₄H₃₆O₄S

Color and Shape:

White Powder

Molecular weight:

420.23343

Ref: 45-1619094

Estimated delivery in United States, on Friday 27 Dec 2024

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p-Toluidine

CAS:106-49-0

Toluidines (aminotoluenes) and their derivatives, salts thereof

Formula:

C₇H₉N

Color and Shape:

Off-White Brown Crystalline Powder

Molecular weight:

107.0735

Ref: 45-1672053

Estimated delivery in United States, on Friday 27 Dec 2024

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Benazepril Related Compound E (3-amino-2,3,4,5-tetrahydro-2-oxo-1H-1-(3S)-benzazepine-1-acetic acid, monohydrochloride)

Lactams, nesoi

Formula:

C₁₂H₁₄N₂O₃·HCl

Color and Shape:

White Crystalline Powder

Molecular weight:

234.10044

Ref: 45-1048663

Estimated delivery in United States, on Friday 27 Dec 2024

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Acyclovir Related Compound F (N-[9-[(2-Hydroxyethoxy)methyl]-6-oxo-6,9-dihydro-1H-purin-2-yl]acetamide)

CAS:110104-37-5

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

Formula:

C₁₀H₁₃N₅O₄

Color and Shape:

White Yellow Crystalline Powder

Molecular weight:

267.09675

Ref: 45-1012054

Estimated delivery in United States, on Friday 27 Dec 2024

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Irinotecan Related Compound E ((S)-4,11-Diethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione)

CAS:78287-27-1

Vegetable alkaloids, natural or reproduced by synthesis, their salts and other derivatives, nesoi

Formula:

C₂₂H₂₀N₂O₄

Color and Shape:

Light Brown Powder

Molecular weight:

376.14231

Ref: 45-1347664

Estimated delivery in United States, on Friday 27 Dec 2024

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Benazepril Related Compound F (tert-Butyl-3-amino-2,3,4,5-tetrahydro-2-oxo-1H-1-(3S)-benzazepine-1-acetic acid)

CAS:109010-60-8

Lactams not elsewhere specified or included

Formula:

C₁₆H₂₂N₂O₃

Color and Shape:

White Off-White Crystalline Powder

Molecular weight:

290.16304

Ref: 45-1048674

Estimated delivery in United States, on Friday 27 Dec 2024

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Doxycycline Related Compound A ((4S,4aR,5S,5aR,6S,12aS)-4-(Dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacenecarboxamide, monohydrochloride)

CAS:41411-66-9

Tetracyclines and their derivatives; salts thereof

Formula:

C₂₂H₂₄N₂O₈·HCl

Color and Shape:

Light Yellow Powder

Molecular weight:

444.15327

Ref: 45-1226014

Estimated delivery in United States, on Friday 27 Dec 2024

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Cyclobenzaprine Related Compound B (3-(5H-dibenzo[a,d]cyclohepten-5-ylidene)-N-methyl-1-propanamine, hydrochloride)

CAS:438-59-5

Aromatic monoamines not elsewhere specified or included and their derivatives, salts therof

Formula:

C₁₉H₁₉N·HCl

Color and Shape:

White Powder

Molecular weight:

261.15175

Ref: 45-1154525

Estimated delivery in United States, on Friday 27 Dec 2024

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Trospium Chloride Related Compound B ((1R,3r,5S)-8-azabicyclo[3.2.1]octan-3-yl hydroxydiphenylacetate hydrochloride)

CAS:63516-30-3

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₂₁H₂₃NO₃

Color and Shape:

White Off-White Solid

Molecular weight:

337.16779

Ref: 45-1699322

Estimated delivery in United States, on Friday 27 Dec 2024

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Decitabine Related Compounds B and C Mixture (4-Amino-1-(3,5-di-O-(4-chlorobenzoyl)-2-deoxy-β-D-ribofuranosyl)-1,3,5-triazin-2(1H)-one and 4-Amino-1-(3,5-di-O-(4-chlorobenzoyl)-2-deoxy-a-D-ribofuranosyl)-1,3,5-triazin-2(1H)-one)

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

Formula:

C₂₂H₁₈Cl₂N₄O₆andC₂₂H₁₈Cl₂N₄O₆

Color and Shape:

White Powder

Molecular weight:

504.06034

Ref: 45-1165226

Estimated delivery in United States, on Friday 27 Dec 2024

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Milnacipran Related Compound A (2-(Aminomethyl)-1-phenylcyclopropane-1-carboxylic acid hydrochloride)

CAS:871100-19-5

Aromatic amino-acids and their esters,other than those

Formula:

C₁₁H₁₃NO₂HCl

Color and Shape:

Off-White White Solid

Molecular weight:

227.69

Ref: 45-1443668

Estimated delivery in United States, on Friday 27 Dec 2024

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Atomoxetine Related Compound A (3-(Methylamino)-1-phenylpropan-1-ol)

CAS:42142-52-9

Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and …

Formula:

C₁₀H₁₅NO

Color and Shape:

White Off-White Light Yellow Powder

Molecular weight:

165.11536

Ref: 45-1044470

Estimated delivery in United States, on Friday 27 Dec 2024

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Zolmitriptan Related Compound G ((S)-4-(4-Aminobenzyl)oxazolidin-2-one)

CAS:152305-23-2

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

Formula:

C₁₀H₁₂N₂O₂

Color and Shape:

Light Brown Powder

Molecular weight:

192.08988

Ref: 45-1727086

Estimated delivery in United States, on Friday 27 Dec 2024

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Bisoprolol Related Compound E (3,3'-(Isopropylazanediyl)bis(1-(4-((2-isopropoxyethoxy)methyl)phenoxy)propan-2-ol))

Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and …

Formula:

C₃₃H₅₃NO₈

Color and Shape:

Colorless Gummy Liquid

Molecular weight:

591.37712

Ref: 45-1075804

Estimated delivery in United States, on Friday 27 Dec 2024

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Progesterone Related Compound H (Pregna-4,6-diene-3,20-dione)

CAS:1162-56-7

Estrogens and progestins

Formula:

C₂₁H₃₀O₂

Color and Shape:

Pale Yellow Off-White Powder

Molecular weight:

314.22458

Ref: 45-1568018

Estimated delivery in United States, on Friday 27 Dec 2024

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Fluphenazine Related Compound B (10-{3-[4-(2-Hydroxyethyl)piperazin-1-yl]propyl}-2-(trifluoromethyl)-10H-phenothiazine 5,5-dioxide)

CAS:1476-79-5

Compounds (excluding drugs) containing a phenothiazine ring-system (whether or not hydrogenated), not further fused

Formula:

C₂₂H₂₆F₃N₃O₃S

Color and Shape:

Off-White Solid

Molecular weight:

469.1647

Ref: 45-1282026

Estimated delivery in United States, on Friday 27 Dec 2024

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Brinzolamide Related Compound B ((R)-4-Amino-2-(3-methoxypropyl)-3,4-dihydro-2H-thieno[3,2-e][1,2]thiazine-6-sulfonamide 1,1-dioxide oxalate)

Sulfonamides, nesoi

Formula:

C₁₀H₁₇N₃O₅S₃·C₂H₂O₄

Color and Shape:

Off-White Solid

Molecular weight:

445.49

Ref: 45-1076385

Estimated delivery in United States, on Friday 27 Dec 2024

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Flavoxate Related Compound A (3-Methyl-4-oxo-2-phenyl-4H-chromene-8-carboxylic acid)

CAS:3468-01-7

Aromatic heterocyclic compounds with oxygen hetero-atom(s) only, nesoi

Formula:

C₁₇H₁₂O₄

Color and Shape:

White Off-White Powder

Molecular weight:

280.07356

Ref: 45-1270719

Estimated delivery in United States, on Friday 27 Dec 2024

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Torsemide Related Compound E (4-(3-Tolyl)-2H-pyrido[4,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide)

CAS:72810-61-8

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

Formula:

C₁₃H₁₁N₃O₃S

Color and Shape:

White Powder

Molecular weight:

289.05211

Ref: 45-1672359

Estimated delivery in United States, on Friday 27 Dec 2024

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Depramine (3-(5H-dibenzo[b,f]azepin-5-yl)-N,N-dimethylpropan-1-amine hydrochloride)

Anti-infective agents, nesoi

Formula:

C₁₉H₂₂N₂

Color and Shape:

Yellow Powder

Molecular weight:

278.1783

Ref: 45-1171397

Estimated delivery in United States, on Friday 27 Dec 2024

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