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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 931 of 1190
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Reference Standard
Norneo Sildenafil chemical structure
Norneo Sildenafil
CAS
371959-09-0
Formula
C22H29N5O4S
MW
459.6 g/mol
VQ-044668
Reference Standard
Norneo Vardenafil chemical structure
Norneo Vardenafil
CAS
358390-39-3
Formula
C18H20N4O4
MW
356.4 g/mol
VQ-035385
Reference Standard
Norscopolamine chemical structure
Norscopolamine
CAS
4684-28-0
Formula
C16H19NO4
MW
289.33 g/mol
VQ-023743
Reference Standard
Nortropine chemical structure
Nortropine
CAS
538-09-0
Formula
C7H13NO
MW
127.18 g/mol
VQ-024430
Reference Standard
Nortropinone chemical structure
Nortropinone
CAS
5632-84-8
Formula
C7H11NO
MW
125.17 g/mol
In stock
Reference Standard
Norverapamil D7 chemical structure
Norverapamil D7
CAS
263175-44-6
Formula
C26H36N2O4
MW
447.6 g/mol
VQ-044788
Reference Standard
Nosiheptide chemical structure
Nosiheptide
CAS
56377-79-8
Formula
C51H43N13O12S6
MW
1222.4 g/mol
VQ-038701
Reference Standard
Notoginsenoside R1 chemical structure
Notoginsenoside R1
CAS
80418-24-2
Formula
C47H80O18
MW
933.1 g/mol
VQ-039678
Reference Standard
Novobiocin chemical structure
Novobiocin
CAS
303-81-1
Formula
C31H36N2O11
MW
612.6 g/mol
VQ-038702
Reference Standard
Novobiocin Sodium chemical structure
Novobiocin Sodium
CAS
1476-53-5
Formula
C31H35N2NaO11
MW
634.6 g/mol
VQ-032220
Reference Standard
Novoldiamine chemical structure
Novoldiamine
CAS
140-80-7
Formula
C9H22N2
MW
158.28 g/mol
VQ-038703
Reference Standard
Nudifloramide-d3 chemical structure
Nudifloramide-d3
CAS
1207384-48-2
Formula
C7H8N2O2
MW
155.17 g/mol
VQ-038704
Reference Standard
Nvp-abe171 chemical structure
Nvp-abe171
CAS
426268-06-6
Formula
C21H12N4O3
MW
368.3 g/mol
VQ-044041

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