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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.

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

Heptadecyl (2-(trimethylammonio)ethyl) phosphate

Heptadecyl (2-(trimethylammonio)ethyl) phosphate

CAS: 139256-98-7
Formula: C₂₂H₄₈NO₄P
MW: 421.6 g/mol

VQ-049120

Reference Standard

Heptaminol Hydrochloride - Impurity A chemical structure

Heptaminol Hydrochloride - Impurity A

CAS: 22462-79-9
Formula: C₈H₁₇N
MW: 127.23 g/mol

VQ-043739

Reference Standard

Heptane-1,1,7-Tricarboxylic Acid chemical structure

Heptane-1,1,7-Tricarboxylic Acid

CAS: 855957-40-3
Formula: C₁₀H₁₆O₆
MW: 232.23 g/mol

VQ-024469

Reference Standard

Heptanoic Acid chemical structure

CAS: 111-14-8
Formula: C₇H₁₄O₂
MW: 130.18 g/mol

VQ-026055

Reference Standard

Heptyl 4-Hydroxybenzoate chemical structure

Heptyl 4-Hydroxybenzoate

CAS: 1085-12-7
Formula: C₁₄H₂₀O₃
MW: 236.31 g/mol

VQ-050298

Reference Standard

Hericenone C chemical structure

CAS: 137592-03-1
Formula: C₃₅H₅₄O₆
MW: 570.8 g/mol

VQ-041073

Reference Standard

Hericenone D chemical structure

CAS: 137592-04-2
Formula: C₃₇H₅₈O₆
MW: 598.9 g/mol

VQ-041074

Reference Standard

Herniarin chemical structure

CAS: 531-59-9
Formula: C₁₀H₈O₃
MW: 176.17 g/mol

VQ-040099

Reference Standard

Hesperetin chemical structure

CAS: 520-33-2
Formula: C₁₆H₁₄O₆
MW: 302.28 g/mol

VQ-022403

Reference Standard

Hesperetin 3'-O-Beta-D-Glucuronide chemical structure

Hesperetin 3'-O-Beta-D-Glucuronide

CAS: 150985-66-3
Formula: C₂₂H₂₂O₁₂
MW: 478.4 g/mol

VQ-043190

Reference Standard

Hesperetin 7-O-Rutinoside chemical structure

Hesperetin 7-O-Rutinoside

CAS: 64726-90-5
Formula: C₂₈H₃₄O₁₅
MW: 610.6 g/mol

VQ-031059

Reference Standard

Hesperetin 7-O-β-D-glucopyranoside chemical structure

Hesperetin 7-O-β-D-glucopyranoside

CAS: 906320-94-3
Formula: C₂₂H₂₄O₁₁
MW: 464.4 g/mol

VQ-035292

Reference Standard

Hesperetin-13C-D3 chemical structure

Hesperetin-13C-D3

CAS: 2750534-85-9
Formula: C₁₆H₁₄O₆
MW: 306.29 g/mol

VQ-048031

Reference Standard

Hesperetin-7-O-glucuronide chemical structure

Hesperetin-7-O-glucuronide

CAS: 67322-08-1
Formula: C₂₂H₂₂O₁₂
MW: 478.4 g/mol

VQ-044670

Reference Standard

Hesperidin Methylchalcone chemical structure

Hesperidin Methylchalcone

CAS: 24292-52-2
Formula: C₂₉H₃₆O₁₅
MW: 624.6 g/mol

VQ-032965

Reference Standard

Hetisine chemical structure

CAS: 10089-23-3
Formula: C₂₀H₂₇NO₃
MW: 329.4 g/mol

VQ-051212

Reference Standard

Hexachlorobenzene 13C6 chemical structure

Hexachlorobenzene 13C6

CAS: 93952-14-8
Formula: C₆Cl₆
MW: 290.7 g/mol

VQ-052439

Reference Standard

Hexahydro-1,3,5-trinitroso-1,3,5-triazine chemical structure

Hexahydro-1,3,5-trinitroso-1,3,5-triazine

CAS: 13980-04-6
Formula: C₃H₆N₆O₃
MW: 174.12 g/mol

VQ-027268

Reference Standard

Hexahydro-4,7-methanoisobenzofuran-1,3-dione chemical structure

Hexahydro-4,7-methanoisobenzofuran-1,3-dione

CAS: 17812-27-0
Formula: C₉H₁₀O₃
MW: 166.17 g/mol

VQ-031691

Reference Standard

Hexahydrophenyl Cinacalcet chemical structure

Hexahydrophenyl Cinacalcet

CAS: 1271930-12-1
Formula: C₂₂H₂₈F₃N
MW: 363.5 g/mol

VQ-022186

Reference Standard

Hexamethonium Bromide chemical structure

Hexamethonium Bromide

CAS: 55-97-0
Formula: C₁₂H₃₀Br₂N₂
MW: 362.19 g/mol

VQ-039808

Reference Standard

Hexamethylenetetramine-d12 chemical structure

Hexamethylenetetramine-d12

CAS: 23304-08-7
Formula: C₆H₁₂N₄
MW: 152.26 g/mol

VQ-037582

Reference Standard

Hexamidine chemical structure

CAS: 3811-75-4
Formula: C₂₀H₂₆N₄O₂
MW: 354.4 g/mol

VQ-048572

Reference Standard

Hexamidine diisethionate chemical structure

Hexamidine diisethionate

CAS: 659-40-5
Formula: C₂₄H₃₈N₄O₁₀S₂
MW: 606.7 g/mol

VQ-022789

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