Skip to content

Product division

Impurities & Reference Standards

Pharmacopoeial and non-pharmacopoeial impurities, metabolites, nitrosamines and working standards with characterisation data for QC and regulatory work.

28,554products

6sub-categories

2,746in stock

COA + SDSwith every lot

API Impurities 14,252 Pharmacopeial Impurities (EP / USP / BP) 4,401 Nitrosamine Impurities 650 Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,612 Metabolites & Degradation Products 4,146 API Reference Standards 3,493

Reference Standard

N-(2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethyl)acetamide chemical structure

N-(2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethyl)acetamide

CAS: 196597-16-7
Formula: C₁₅H₁₉NO₂
MW: 245.32 g/mol

VQ-041823

Reference Standard

N-(2-(3-Hydroxy-5-methoxy-2-oxoindolin-3-yl)ethyl)acetamide chemical structure

N-(2-(3-Hydroxy-5-methoxy-2-oxoindolin-3-yl)ethyl)acetamide

CAS: 515128-09-3
Formula: C₁₃H₁₆N₂O₄
MW: 264.28 g/mol

VQ-040528

Reference Standard

N-(2-(3,4-Dihydroxyphenyl)-2-hydroxyethyl)-N-methylnitrous Amide chemical structure

N-(2-(3,4-Dihydroxyphenyl)-2-hydroxyethyl)-N-methylnitrous Amide

CAS: 3038740-97-2
Formula: C₉H₁₂N₂O₄
MW: 212.2 g/mol

VQ-035283

Reference Standard

N-(2-(7-Methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)ethyl)acetamide chemical structure

N-(2-(7-Methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)ethyl)acetamide

CAS: 178677-49-1
Formula: C₁₅H₂₁NO₂
MW: 247.33 g/mol

VQ-029053

Reference Standard

N-(2-(7,8-Dihydro-6H-indeno[5,4-b]furan-8-yl)ethyl)propionamide chemical structure

N-(2-(7,8-Dihydro-6H-indeno[5,4-b]furan-8-yl)ethyl)propionamide

CAS: 1252018-55-5
Formula: C₁₆H₁₉NO₂
MW: 257.33 g/mol

VQ-044015

Reference Standard

N-(2-(Diethylamino)ethyl)-5-((5-fluoro-2-oxoindolin-3-ylidene)methyl)-2,4-dimethyl-1H-pyrrole-3-carboxamide chemical structure

N-(2-(Diethylamino)ethyl)-5-((5-fluoro-2-oxoindolin-3-ylidene)methyl)-2,4-dimethyl-1H-pyrrole-3-carboxamide

CAS: 342641-94-5
Formula: C₂₂H₂₇FN₄O₂
MW: 398.5 g/mol

VQ-042318

Reference Standard

N-(2-(Diisopropylamino)ethyl)-2-(4-hydroxy-2,5-dimethoxybenzamido)thiazole-4-carboxamide chemical structure

N-(2-(Diisopropylamino)ethyl)-2-(4-hydroxy-2,5-dimethoxybenzamido)thiazole-4-carboxamide

CAS: 185105-13-9
Formula: C₂₁H₃₀N₄O₅S
MW: 450.6 g/mol

VQ-043029

Reference Standard

N-(2-(Dimethylamino)ethyl)-N-Methylnitrous Amide chemical structure

N-(2-(Dimethylamino)ethyl)-N-Methylnitrous Amide

CAS: 23834-30-2
Formula: C₅H₁₃N₃O
MW: 131.18 g/mol

In stock

Reference Standard

N-(2-(Methylsulfinyl)ethyl)-2-((3,3,3-trifluoropropyl)thio)-9H-purin-6-amine

N-(2-(Methylsulfinyl)ethyl)-2-((3,3,3-trifluoropropyl)thio)-9H-purin-6-amine

CAS: 2351938-00-4
Formula: C₁₁H₁₄F₃N₅OS₂
MW: 353.38 g/mol

VQ-035462

Reference Standard

N-(2-(Methylthio)ethyl)-2-((3,3,3-trifluoropropyl)thio)-9H-purin-6-amine chemical structure

N-(2-(Methylthio)ethyl)-2-((3,3,3-trifluoropropyl)thio)-9H-purin-6-amine

CAS: 1830294-25-1
Formula: C₁₁H₁₄F₃N₅S₂
MW: 337.4 g/mol

VQ-021056

Reference Standard

N-(2-(Phenylthio)phenyl)dibenzo[b,f][1,4]thiazepin-11-amine chemical structure

N-(2-(Phenylthio)phenyl)dibenzo[b,f][1,4]thiazepin-11-amine

CAS: 2206135-50-2
Formula: C₂₅H₁₈N₂S₂
MW: 410.6 g/mol

VQ-045027

Reference Standard

N-(2-Amino-2-oxoethyl)-2,5-dichlorobenzamide chemical structure

N-(2-Amino-2-oxoethyl)-2,5-dichlorobenzamide

CAS: 1378314-08-9
Formula: C₉H₈Cl₂N₂O₂
MW: 247.07 g/mol

VQ-026279

Reference Standard

N-(2-Amino-2-oxoethyl)-N-(1-(3,5-dioxopiperazin-1-yl)propan-2-yl)glycine

N-(2-Amino-2-oxoethyl)-N-(1-(3,5-dioxopiperazin-1-yl)propan-2-yl)glycine

CAS: 153042-69-4
Formula: C₁₁H₁₈N₄O₅
MW: 286.68 g/mol

VQ-035422

Reference Standard

N-(2-Amino-2-oxoethyl)-N-[(1S)-2-(3,5-dioxo-1-piperazinyl)-1-methylethyl]-glycine chemical structure

N-(2-Amino-2-oxoethyl)-N-[(1S)-2-(3,5-dioxo-1-piperazinyl)-1-methylethyl]-glycine

CAS: 120418-77-1
Formula: C₁₁H₁₈N₄O₅
MW: 286.28 g/mol

VQ-043867

Reference Standard

N-(2-Amino-2-oxoethyl)benzamide chemical structure

N-(2-Amino-2-oxoethyl)benzamide

CAS: 5813-81-0
Formula: C₉H₁₀N₂O₂
MW: 178.19 g/mol

VQ-031060

Reference Standard

N-(2-Amino-4,5,6,7-tetrahydro-1,3-benzothiazol-6-yl)acetamide chemical structure

N-(2-Amino-4,5,6,7-tetrahydro-1,3-benzothiazol-6-yl)acetamide

CAS: 104617-51-8
Formula: C₉H₁₃N₃OS
MW: 211.29 g/mol

VQ-033274

Reference Standard

N-(2-Amino-4,5,6,7-tetrahydro-6-benzothiazolyl)acetamide Hydrobromide chemical structure

N-(2-Amino-4,5,6,7-tetrahydro-6-benzothiazolyl)acetamide Hydrobromide

CAS: 104617-50-7
Formula: C₉H₁₄BrN₃OS
MW: 292.2 g/mol

VQ-041584

Reference Standard

N-(2-Aminoethyl)-1,2,3,4-Tetrahydronaphthalene-1-Carboxamide chemical structure

N-(2-Aminoethyl)-1,2,3,4-Tetrahydronaphthalene-1-Carboxamide

CAS: 84460-89-9
Formula: C₁₃H₁₈N₂O
MW: 218.29 g/mol

VQ-028315

Reference Standard

N-(2-Aminoethyl)-2-[phenyl(phenylmethyl)amino]acetamide chemical structure

N-(2-Aminoethyl)-2-[phenyl(phenylmethyl)amino]acetamide

CAS: 26953-37-7
Formula: C₁₇H₂₁N₃O
MW: 283.37 g/mol

VQ-020809

Reference Standard

N-(2-Aminoethyl)-2,2-diphenylcyclopropanecarboxamide chemical structure

N-(2-Aminoethyl)-2,2-diphenylcyclopropanecarboxamide

CAS: 109546-07-8
Formula: C₁₈H₂₀N₂O
MW: 280.4 g/mol

VQ-036288

Reference Standard

N-(2-Aminoethyl)-5-(1,2-dithiolan-3-yl)pentanamide chemical structure

N-(2-Aminoethyl)-5-(1,2-dithiolan-3-yl)pentanamide

CAS: 728854-75-9
Formula: C₁₀H₂₀N₂OS₂
MW: 248.4 g/mol

VQ-048904

Reference Standard

N-(2-Aminoethyl)-N-(2-hydroxyethyl)nitrous amide chemical structure

N-(2-Aminoethyl)-N-(2-hydroxyethyl)nitrous amide

Formula: C₄H₁₁N₃O₂
MW: 133.15 g/mol

In stock

Reference Standard

N-(2-Aminoethyl)-N-isopropylnitrous amide

N-(2-Aminoethyl)-N-isopropylnitrous amide

Formula: C₅H₁₃N₃O
MW: 131.18 g/mol

VQ-006857

Reference Standard

N-(2-Aminoethyl)-N'-(5-bromo-6-quinoxalinyl)thiourea chemical structure

N-(2-Aminoethyl)-N'-(5-bromo-6-quinoxalinyl)thiourea

CAS: 134892-47-0
Formula: C₁₁H₁₂BrN₅S
MW: 326.22 g/mol

VQ-021880

Need a price, a spec or a custom compound?

Send us your list — product names or CAS numbers, grade, quantity and destination. Our team replies with a formal quotation, COA and lead time.

Request a quote Contact sales