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 14,252Pharmacopeial Impurities (EP / USP / BP) 4,401Nitrosamine Impurities 650Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,612Metabolites & Degradation Products 4,146API Reference Standards 3,493
Des-N-(methoxycarbonyl)-L-tert-leucine Atazanavir Trihydrochloride
- CAS
- 198904-87-9
- Formula
- C22H29Cl3N4O
- MW
- 471.8 g/mol
VQ-029231
![Des-O-[2-(diethylamino)ethyl]-1-methoxy Amiodarone chemical structure](/media/structures/GCYPEABHAAFBOL-UHFFFAOYSA-N.svg)
Des-O-[2-(diethylamino)ethyl]-1-methoxy Amiodarone
- CAS
- 1391054-75-3
- Formula
- C20H18I2O4
- MW
- 576.2 g/mol
VQ-029113
Des(2-methylbutyryl) Lovastatin Hydroxy Acid Sodium Salt
- CAS
- 132294-94-1
- Formula
- C19H29NaO5
- MW
- 360.4 g/mol
VQ-035075
Des(methylpiperazinyl-N-methyl) Imatinib Dimer Impurity
- CAS
- 1365802-18-1
- Formula
- C52H48N12O2
- MW
- 873 g/mol
VQ-022835
![Des[(5-methyl-1,3,4-thiadiazol-2-yl)thio] Cefazolin-3-methanol chemical structure](/media/structures/YGQTUWKIILQPEL-GMSGAONNSA-N.svg)
Des[(5-methyl-1,3,4-thiadiazol-2-yl)thio] Cefazolin-3-methanol
- CAS
- 478494-71-2
- Formula
- C11H12N6O5S
- MW
- 340.32 g/mol
VQ-022067
![Des[2-(1H-tetrazol-5-yl)] 2-Cyanolosartan chemical structure](/media/structures/FGCNIDUBRIVYBP-UHFFFAOYSA-N.svg)
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