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VAQORACHEMICALS
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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.

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Reference Standard
Polmacoxib chemical structure
Polmacoxib
CAS
301692-76-2
Formula
C18H16FNO4S
MW
361.4 g/mol
VQ-033240
Reference Standard
Polymyxin B chemical structure
Polymyxin B
CAS
1404-26-8
Formula
C56H98N16O13
MW
1203.5 g/mol
VQ-041547
Reference Standard
Polymyxin B1 chemical structure
Polymyxin B1
CAS
4135-11-9
Formula
C56H98N16O13
MW
1203.5 g/mol
VQ-027549
Reference Standard
Polymyxin B1-I chemical structure
Polymyxin B1-I
CAS
811435-10-6
Formula
C56H98N16O13
MW
1203.5 g/mol
VQ-033244
Reference Standard
Polymyxin B2 chemical structure
Polymyxin B2
CAS
34503-87-2
Formula
C55H96N16O13
MW
1189.5 g/mol
VQ-027550
Reference Standard
Polymyxin B3 chemical structure
Polymyxin B3
CAS
71140-58-4
Formula
C55H96N16O13
MW
1189.5 g/mol
VQ-027551

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