Product division
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 14,098Pharmacopeial Impurities (EP / USP / BP) 4,399Nitrosamine Impurities 631Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,504Metabolites & Degradation Products 3,922API Reference Standards 3,436
Sodium 4-ethoxy-1-((2-ethylhexyl)oxy)-1,4-dioxobutane-2-sulfonate
- CAS
- 2575516-73-1
- Formula
- C14H25NaO7S
- MW
- 360.4 g/mol
VQ-025356
Sodium 4,4'-(5-oxo-4-(2-(4-sulfonatophenyl)hydrazineylidene)-4,5-dihydro-1H-pyrazole-1,3-diyl)dibenzenesulfonate
- CAS
- 104236-31-9
- Formula
- C21H13N4Na3O10S3
- MW
- 646.5 g/mol
VQ-034048
Sodium 5-oxo-1-phenyl-4-((4-sulfonatophenyl)diazenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate
- CAS
- 104236-33-1
- Formula
- C16H10N4Na2O6S
- MW
- 432.3 g/mol
VQ-034049
Sodium 5-oxo-4-(phenyldiazenyl)-1-(4-sulfonatophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate
- CAS
- 1934-22-1
- Formula
- C16H10N4Na2O6S
- MW
- 432.3 g/mol
VQ-042371
Sodium acetyl(4-(5-methyl-3-phenylisoxazol-4-yl)phenylsulfonyl)amide
- CAS
- 198471-07-7
- Formula
- C18H16N2NaO4S
- MW
- 379.4 g/mol
VQ-041339
Sodium Equilin-2,4,16,16-d4 Sulfate (stabilized with TRIS, 50% w/w)
- CAS
- 285979-81-9
- Formula
- C18H19NaO5S
- MW
- 374.4 g/mol
VQ-048279
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