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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 14,252Pharmacopeial Impurities (EP / USP / BP) 4,401Nitrosamine Impurities 650Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,612Metabolites & Degradation Products 4,146API Reference Standards 3,493
28,554 results · page 738 of 1190
GridList
Reference Standard
Isoscopine chemical structure
Isoscopine
CAS
498-46-4
Formula
C8H13NO2
MW
155.19 g/mol
VQ-042562
Reference Standard
Isosilybin chemical structure
Isosilybin
CAS
72581-71-6
Formula
C25H22O10
MW
482.4 g/mol
VQ-031277
Reference Standard
Isosilybin A chemical structure
Isosilybin A
CAS
142796-21-2
Formula
C25H22O10
MW
482.4 g/mol
VQ-037754
Reference Standard
Isosilybin B chemical structure
Isosilybin B
CAS
142796-22-3
Formula
C25H22O10
MW
482.4 g/mol
VQ-037755
Reference Standard
Isosorbide chemical structure
Isosorbide
CAS
652-67-5
Formula
C6H10O4
MW
146.14 g/mol
VQ-031279
Reference Standard
Isosteviol chemical structure
Isosteviol
CAS
27975-19-5
Formula
C20H30O3
MW
318.4 g/mol
VQ-050891
Reference Standard
Isosulfan Blue chemical structure
Isosulfan Blue
CAS
68238-36-8
Formula
C27H31N2NaO6S2
MW
566.7 g/mol
VQ-031280
Reference Standard
Isotrazodone chemical structure
Isotrazodone
CAS
157072-18-9
Formula
C19H23ClN5O+
MW
372.9 g/mol
VQ-034402
Reference Standard
Isotretinoin chemical structure
Isotretinoin
CAS
4759-48-2
Formula
C20H28O2
MW
300.4 g/mol
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