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
Paliperidone Related Compound D (4-(6-Fluorobenzo[d]isoxazol-3-yl)-1-[2-(9-hydroxy-2-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-3-yl)ethyl]piperidine 1-oxide) REF: 45-1491842CAS: 761460-08-6	- - -	1,371.00 €	Tue 15 Oct 24
Meloxicam Related Compound A (ethyl-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate- 1,1-dioxide) REF: 45-1379412CAS: 24683-26-9	- - -	1,477.00 €	Tue 15 Oct 24
Azithromycin N-Oxide REF: 45-1046090CAS: 90503-06-3	- - -	1,346.00 €	Tue 15 Oct 24
Ziprasidone Related Compound F (Sodium 2-(2-amino-5-{2-[4-(benzo[d]isothiazol-3-yl)piperazin-1-yl]ethyl}-4-chlorophenyl)acetate monohydrate) REF: 45-1724474	- - -	1,374.00 €	Tue 15 Oct 24
Loratadine Related Compound C (8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one) REF: 45-1370269CAS: 31251-41-9	- - -	1,371.00 €	Tue 15 Oct 24
Tinidazole Related Compound B (1-(2-ethyl-sulfonylethyl)-2-methyl-4-nitroimidazole) REF: 45-1667541CAS: 25459-12-5	- - -	1,477.00 €	Tue 15 Oct 24
Omeprazole Related Compounds F and G Mixture REF: 45-1478491	- - -	1,511.00 €	Tue 15 Oct 24
Rufinamide Related Compound A (1-(2-Fluorobenzyl)-1H-1,2,3-triazole-4-carboxamide) REF: 45-1606412CAS: 106308-41-2	- - -	1,477.00 €	Tue 15 Oct 24
Fluorouracil Related Compound A (Pyrimidine-2,4,6(1H,3H,5H)-trione) REF: 45-1279019CAS: 67-52-7	- - -	1,371.00 €	Tue 15 Oct 24
Vecuronium Bromide Related Compound C (Piperidinium, 1-[(2β,3α,5α,16β,17β)-3,17-dihydroxy-2-(1-piperidinyl) androstan-16-yl]-1-methyl bromide) REF: 45-1711188CAS: 73319-30-9	- - -	1,441.00 €	Tue 15 Oct 24
Cyclophosphamide REF: 45-1157002CAS: 6055-19-2	- - -	354.00 €	Tue 15 Oct 24
Tropicamide Related Compound A (N-(pyridin-4-ylmethyl)ethanamine) REF: 45-1699016CAS: 33403-97-3	- - -	1,477.00 €	Tue 15 Oct 24
Moxifloxacin Related Compound C (1-Cyclopropyl-8-ethoxy-6-fluoro-1,4-dihydro-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-3-quinolinecarboxylic acid hydrochloride monohydrate) REF: 45-1448639	- - -	1,552.00 €	Tue 15 Oct 24
Adapalene Related Compound A (Methyl 6-bromo-2-naphthoate) REF: 45-1011710CAS: 33626-98-1	- - -	1,477.00 €	Tue 15 Oct 24
8-Chlorotheophylline REF: 45-1121038CAS: 85-18-7	- - -	614.00 €	Tue 15 Oct 24
Gabapentin Related Compound D ([1-(3-Oxo-2-aza-spiro[4.5]dec-2-ylmethyl)cyclohexyl]acetic acid) REF: 45-1287358CAS: 1076198-17-8	- - -	1,477.00 €	Tue 15 Oct 24
Melengestrol Acetate Related Compound A (16-Methylene-3,20-dioxopregn-4-en-17-yl acetate) REF: 45-1379265CAS: 6815-51-6	- - -	1,552.00 €	Tue 15 Oct 24
Irinotecan Related Compound D ((R)-9-[(1,4'-Bipiperidine)-1'-carbonyloxy]-4,11-diethyl-3,4,12,14-tetrahydro-4-hydroxy-3,14-dioxo-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline hydrochloride, trihydrate) REF: 45-1347653	- - -	1,627.00 €	Tue 15 Oct 24
Indomethacin Related Compound A (2-(5-methoxy-2-methyl-1H-indol-3-yl)acetic acid) REF: 45-1417113CAS: 2882-15-7	- - -	1,477.00 €	Tue 15 Oct 24
Phentermine Related Compound C ((2-Methylprop-1-en-1-yl)benzene) REF: 45-1528534CAS: 768-49-0	- - -	2,204.00 €	Tue 15 Oct 24

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Paliperidone Related Compound D (4-(6-Fluorobenzo[d]isoxazol-3-yl)-1-[2-(9-hydroxy-2-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-3-yl)ethyl]piperidine 1-oxide)

CAS:761460-08-6

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

Formula:

C₂₃H₂₇FN₄O₄

Color and Shape:

White Powder

Molecular weight:

442.20163

Ref: 45-1491842

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Meloxicam Related Compound A (ethyl-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate- 1,1-dio…

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Meloxicam Related Compound A (ethyl-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate- 1,1-dioxide)

CAS:24683-26-9

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

Formula:

C₁₂H₁₃NO₅S

Color and Shape:

White Solid

Molecular weight:

283.05144

Ref: 45-1379412

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Azithromycin N-Oxide

CAS:90503-06-3

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

Formula:

C₃₈H₇₂N₂O₁₃

Color and Shape:

White Crystalline Powder

Molecular weight:

764.50344

Ref: 45-1046090

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Ziprasidone Related Compound F (Sodium 2-(2-amino-5-{2-[4-(benzo[d]isothiazol-3-yl)piperazin-1-yl]ethyl}-4-chlorophenyl)acetate monohydrate)

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

Formula:

C₂₁H₂₂ClN₄NaO₂S·H₂O

Color and Shape:

White Off-White Solid

Molecular weight:

470.11553

Ref: 45-1724474

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Loratadine Related Compound C (8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one)

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Loratadine Related Compound C (8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one)

CAS:31251-41-9

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

Formula:

C₁₄H₁₀ClNO

Color and Shape:

Light Yellow Powder

Molecular weight:

243.04509

Ref: 45-1370269

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Tinidazole Related Compound B (1-(2-ethyl-sulfonylethyl)-2-methyl-4-nitroimidazole)

CAS:25459-12-5

Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure nesoi

Formula:

C₈H₁₃N₃O₄S

Color and Shape:

Off-White Cream Powder

Molecular weight:

247.06268

Ref: 45-1667541

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Omeprazole Related Compounds F and G Mixture

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

Formula:

C₁₆H₁₃N₃O₂S

Color and Shape:

Dark Brown Powder

Molecular weight:

311.07285

Ref: 45-1478491

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Rufinamide Related Compound A (1-(2-Fluorobenzyl)-1H-1,2,3-triazole-4-carboxamide)

CAS:106308-41-2

Aromatic or modified aromatic heterocyclic compounds wi

Formula:

C₁₀H₉FN₄O

Color and Shape:

White Powder

Molecular weight:

220.07604

Ref: 45-1606412

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Fluorouracil Related Compound A (Pyrimidine-2,4,6(1H,3H,5H)-trione)

CAS:67-52-7

Malonylurea (barbituric acid) and its salts

Formula:

C₄H₄N₂O₃

Color and Shape:

White Powder

Molecular weight:

128.02219

Ref: 45-1279019

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Vecuronium Bromide Related Compound C (Piperidinium, 1-[(2β,3α,5α,16β,17β)-3,17-dihydroxy-2-(1-piperidinyl) androstan-16-yl]-1-methyl bromide)

CAS:73319-30-9

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₃₀H₅₃BrN₂O₂

Color and Shape:

White Off-White Powder

Molecular weight:

552.32904

Ref: 45-1711188

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Cyclophosphamide

CAS:6055-19-2

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

Formula:

C₇H₁₅Cl₂N₂O₂P·H₂O

Color and Shape:

White Powder

Molecular weight:

278.03538

Ref: 45-1157002

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Tropicamide Related Compound A (N-(pyridin-4-ylmethyl)ethanamine)

CAS:33403-97-3

Compounds containing an unfused pyridine ring in the structure, nesoi

Formula:

C₈H₁₂N₂

Color and Shape:

Liquid

Molecular weight:

136.10005

Ref: 45-1699016

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Moxifloxacin Related Compound C (1-Cyclopropyl-8-ethoxy-6-fluoro-1,4-dihydro-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-3-quinolinecarboxylic acid hydrochloride monohydrate)

Compounds (excluding drugs and pesticides) containing a quinoline or isoquinoline ring

Formula:

C₂₂H₂₆FN₃O₄·HCl·H₂O

Color and Shape:

Solid

Molecular weight:

415.19073

Ref: 45-1448639

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Adapalene Related Compound A (Methyl 6-bromo-2-naphthoate)

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Adapalene Related Compound A (Methyl 6-bromo-2-naphthoate)

CAS:33626-98-1

Aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacid and their derivatives, nesoi

Formula:

C₁₂H₉BrO₂

Color and Shape:

Tan Powder

Molecular weight:

263.97859

Ref: 45-1011710

Estimated delivery in United States, on Tuesday 15 Oct 2024

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8-Chlorotheophylline

CAS:85-18-7

Theophylline and aminophylline (excluding fenetylline) and their derivatives, salts thereof, not elsewhere specified or included

Formula:

C₇H₇ClN₄O₂

Color and Shape:

White Off-White Crystalline Powder

Molecular weight:

214.02575

Ref: 45-1121038

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Gabapentin Related Compound D ([1-(3-Oxo-2-aza-spiro[4.5]dec-2-ylmethyl)cyclohexyl]acetic acid)

CAS:1076198-17-8

Lactams not elsewhere specified or included

Formula:

C₁₈H₂₉NO₃

Color and Shape:

White Powder

Molecular weight:

307.21474

Ref: 45-1287358

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Melengestrol Acetate Related Compound A (16-Methylene-3,20-dioxopregn-4-en-17-yl acetate)

CAS:6815-51-6

Estrogens and progestins

Formula:

C₂₄H₃₂O₄

Color and Shape:

Pale Yellow Off-White Powder

Molecular weight:

384.23006

Ref: 45-1379265

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Irinotecan Related Compound D ((R)-9-[(1,4'-Bipiperidine)-1'-carbonyloxy]-4,11-diethyl-3,4,12,14-tetrahydro-4-hydroxy-3,14-dioxo-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline hydrochloride, trihydrate)

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

Formula:

C₃₃H₃₈N₄O₆·HCl· 3H₂O

Color and Shape:

White Light Yellow Powder

Molecular weight:

677.19

Ref: 45-1347653

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Indomethacin Related Compound A (2-(5-methoxy-2-methyl-1H-indol-3-yl)acetic acid)

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Indomethacin Related Compound A (2-(5-methoxy-2-methyl-1H-indol-3-yl)acetic acid)

CAS:2882-15-7

Aromatic or modified aromatic drugs with nitrogen hetero

Formula:

C₁₂H₁₃NO₃

Color and Shape:

Light Yellow Crystalline Powder

Molecular weight:

219.08954

Ref: 45-1417113

Estimated delivery in United States, on Tuesday 15 Oct 2024

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Phentermine Related Compound C ((2-Methylprop-1-en-1-yl)benzene)

CAS:768-49-0

Cyclic hydrocarbons not elsewhere specified or included

Formula:

C₁₀H₁₂

Color and Shape:

Colorless Liquid

Molecular weight:

132.0939

Ref: 45-1528534

Estimated delivery in United States, on Tuesday 15 Oct 2024

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