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Impurities & Reference Standards

API Reference Standards

583 api reference standards with CAS numbers, structures and specifications — batch COA and GHS SDS supplied.

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Reference Standard
(3S,4R)-Tofacitinib chemical structure
(3S,4R)-Tofacitinib
CAS
1092578-48-7
Formula
C16H20N6O
MW
312.37 g/mol
VQ-028418
Reference Standard
(3S,4S)-Tofacitinib chemical structure
(3S,4S)-Tofacitinib
CAS
1092578-47-6
Formula
C16H20N6O
MW
312.37 g/mol
VQ-023910
Reference Standard
(3S,5S)-Rosuvastatin chemical structure
(3S,5S)-Rosuvastatin
CAS
1584149-34-7
Formula
C22H28FN3O6S
MW
481.5 g/mol
VQ-043528
Reference Standard
(4S)-Brivaracetam chemical structure
(4S)-Brivaracetam
CAS
357336-19-7
Formula
C11H20N2O2
MW
212.29 g/mol
VQ-024648
Reference Standard
(7-10)-Icatibant chemical structure
(7-10)-Icatibant
CAS
148416-85-7
Formula
C28H41N7O6
MW
571.7 g/mol
VQ-031146
Reference Standard
(D-His1)-Exenatide
(D-His1)-Exenatide
CAS
1678417-09-8
Formula
C184H282N50O60S
MW
4187 g/mol
VQ-048324

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