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Impurities & Reference Standards

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

27,990products

6sub-categories

2,746in stock

COA + SDSwith every lot

API Impurities 14,098 Pharmacopeial Impurities (EP / USP / BP) 4,399 Nitrosamine Impurities 631 Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,504 Metabolites & Degradation Products 3,922 API Reference Standards 3,436

Reference Standard

Terlipressin Acetate chemical structure

Terlipressin Acetate

CAS: 914453-96-6
Formula: C₅₆H₈₂N₁₆O₁₉S₂
MW: 1347.5 g/mol

VQ-034140

Reference Standard

Terminolic Acid chemical structure

Terminolic Acid

CAS: 564-13-6
Formula: C₃₀H₄₈O₆
MW: 504.7 g/mol

VQ-038834

Reference Standard

Ternidazole chemical structure

CAS: 1077-93-6
Formula: C₇H₁₁N₃O₃
MW: 185.18 g/mol

VQ-033792

Reference Standard

Ternidazole Hydrochloride chemical structure

Ternidazole Hydrochloride

CAS: 70028-95-4
Formula: C₇H₁₂ClN₃O₃
MW: 221.64 g/mol

VQ-042119

Reference Standard

Ternidazole Impurity A

Ternidazole Impurity A

CAS: 1193397-72-6
Formula: C₇H₁₁N₃O₃
MW: 185.18 g/mol

VQ-034141

Reference Standard

Terpin Monohydrate chemical structure

Terpin Monohydrate

CAS: 2451-01-6
Formula: C₁₀H₂₂O₃
MW: 190.28 g/mol

VQ-034142

Reference Standard

Tert Butyl 4 2 ethoxycarbonyl benzo B thiophen 4 yl piperazine 1 carboxylate chemical structure

Tert Butyl 4 2 ethoxycarbonyl benzo B thiophen 4 yl piperazine 1 carboxylate

CAS: 1677681-01-4
Formula: C₂₀H₂₆N₂O₄S
MW: 390.5 g/mol

VQ-041817

Reference Standard

Tert-Butyi-2-Amino Edoxaban chemical structure

Tert-Butyi-2-Amino Edoxaban

CAS: 1353893-25-0
Formula: C₁₄H₂₇N₃O₃
MW: 285.38 g/mol

VQ-025480

Reference Standard

tert-Butyl ((1R,2R,5S)-2-amino-5-(dimethylcarbamoyl)cyclohexyl)carbamate Oxalate chemical structure

tert-Butyl ((1R,2R,5S)-2-amino-5-(dimethylcarbamoyl)cyclohexyl)carbamate Oxalate

CAS: 1928729-31-0
Formula: C₁₆H₂₉N₃O₇
MW: 375.42 g/mol

VQ-025471

Reference Standard

tert-Butyl ((1R,2R,5S)-5-(dimethylcarbamoyl)-2-hydroxycyclohexyl)carbamate chemical structure

tert-Butyl ((1R,2R,5S)-5-(dimethylcarbamoyl)-2-hydroxycyclohexyl)carbamate

CAS: 929693-30-1
Formula: C₁₄H₂₆N₂O₄
MW: 286.37 g/mol

VQ-030379

Reference Standard

tert-Butyl ((1R,2S,5S)-2-amino-5-(dimethylcarbamoyl)cyclohexyl)carbamate Oxalate chemical structure

tert-Butyl ((1R,2S,5S)-2-amino-5-(dimethylcarbamoyl)cyclohexyl)carbamate Oxalate

CAS: 1210348-34-7
Formula: C₁₆H₂₉N₃O₇
MW: 375.42 g/mol

VQ-030384

Reference Standard

tert-Butyl ((1R,2S,5S)-2-azido-5-(dimethylcarbamoyl)cyclohexyl)carbamate chemical structure

tert-Butyl ((1R,2S,5S)-2-azido-5-(dimethylcarbamoyl)cyclohexyl)carbamate

CAS: 480450-69-9
Formula: C₁₄H₂₅N₅O₃
MW: 311.38 g/mol

VQ-030371

Reference Standard

tert-Butyl ((1S,2R,5R)-2-amino-5-(dimethylcarbamoyl)cyclohexyl)carbamate Oxalate chemical structure

tert-Butyl ((1S,2R,5R)-2-amino-5-(dimethylcarbamoyl)cyclohexyl)carbamate Oxalate

CAS: 2605225-72-5
Formula: C₁₆H₂₉N₃O₇
MW: 375.42 g/mol

VQ-025467

Reference Standard

tert-Butyl ((1S,2R,5S)-2-amino-5-(dimethylcarbamoyl)cyclohexyl)carbamate Oxalate chemical structure

tert-Butyl ((1S,2R,5S)-2-amino-5-(dimethylcarbamoyl)cyclohexyl)carbamate Oxalate

CAS: 3063998-92-2
Formula: C₁₆H₂₉N₃O₇
MW: 375.42 g/mol

VQ-036888

Reference Standard

tert-Butyl ((1S,2R)-1-hydroxy-1-phenylhex-5-yn-2-yl)carbamate chemical structure

tert-Butyl ((1S,2R)-1-hydroxy-1-phenylhex-5-yn-2-yl)carbamate

CAS: 1437235-54-5
Formula: C₁₇H₂₃NO₃
MW: 289.4 g/mol

VQ-028691

Reference Standard

Tert-Butyl ((1S,2S,5R)-2-amino-5-(dimethylcarbamoyl)cyclohexyl)carbamate chemical structure

Tert-Butyl ((1S,2S,5R)-2-amino-5-(dimethylcarbamoyl)cyclohexyl)carbamate

CAS: 2081883-50-1
Formula: C₁₄H₂₇N₃O₃
MW: 285.38 g/mol

VQ-030369

Reference Standard

tert-Butyl ((1S,2S,5R)-2-amino-5-(dimethylcarbamoyl)cyclohexyl)carbamate Oxalate chemical structure

tert-Butyl ((1S,2S,5R)-2-amino-5-(dimethylcarbamoyl)cyclohexyl)carbamate Oxalate

CAS: 2605225-78-1
Formula: C₁₆H₂₉N₃O₇
MW: 375.42 g/mol

VQ-030366

Reference Standard

tert-Butyl ((1S,2S)-1-Hydroxy-1-phenylhex-5-yn-2-yl)carbamate chemical structure

tert-Butyl ((1S,2S)-1-Hydroxy-1-phenylhex-5-yn-2-yl)carbamate

CAS: 1437235-56-7
Formula: C₁₇H₂₃NO₃
MW: 289.4 g/mol

VQ-028690

Reference Standard

tert-Butyl ((1S,3R)-3-acetylcyclopentyl)carbamate chemical structure

tert-Butyl ((1S,3R)-3-acetylcyclopentyl)carbamate

CAS: 204913-01-9
Formula: C₁₂H₂₁NO₃
MW: 227.3 g/mol

VQ-027184

Reference Standard

tert-Butyl ((2R,4R,5R)-5-amino-4-hydroxy-1,6-diphenylhexan-2-yl)carbamate chemical structure

tert-Butyl ((2R,4R,5R)-5-amino-4-hydroxy-1,6-diphenylhexan-2-yl)carbamate

CAS: 1283151-18-7
Formula: C₂₃H₃₂N₂O₃
MW: 384.5 g/mol

VQ-033584

Reference Standard

tert-Butyl ((2R,4R,5S)-5-amino-4-hydroxy-1,6-diphenylhexan-2-yl)carbamate chemical structure

tert-Butyl ((2R,4R,5S)-5-amino-4-hydroxy-1,6-diphenylhexan-2-yl)carbamate

CAS: 1414933-85-9
Formula: C₂₃H₃₂N₂O₃
MW: 384.5 g/mol

VQ-044003

Reference Standard

tert-Butyl ((2R,4S,5R)-5-amino-4-hydroxy-1,6- diphenylhexan-2- yl)carbamate chemical structure

tert-Butyl ((2R,4S,5R)-5-amino-4-hydroxy-1,6- diphenylhexan-2- yl)carbamate

CAS: 1414933-94-0
Formula: C₂₃H₃₂N₂O₃
MW: 384.5 g/mol

VQ-033590

Reference Standard

tert-Butyl ((2R,4S,5S)-5-amino-4-hydroxy-1,6-diphenylhexan-2-yl)carbamate chemical structure

tert-Butyl ((2R,4S,5S)-5-amino-4-hydroxy-1,6-diphenylhexan-2-yl)carbamate

CAS: 220887-41-2
Formula: C₂₃H₃₂N₂O₃
MW: 384.5 g/mol

VQ-044012

Reference Standard

Tert-Butyl ((2S,3R)-4-(4-acetamido-N-isobutylphenylsulfonamido)-3-hydroxy-1-phenylbutan-2-yl)carbamate chemical structure

Tert-Butyl ((2S,3R)-4-(4-acetamido-N-isobutylphenylsulfonamido)-3-hydroxy-1-phenylbutan-2-yl)carbamate

CAS: 160230-47-7
Formula: C₂₇H₃₉N₃O₆S
MW: 533.7 g/mol

VQ-025206

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