MilliporeSigma
Azure B United States Pharmacopeia (USP) Reference Standard

Azure B

Azure B United States Pharmacopeia (USP) Reference Standard
Synonyms:
Azure I, Methyleneazure, N,N,N′-Trimethylthionin
Empirical Formula (Hill Notation):
C15H16ClN3S
CAS Number:
531-55-5
Molecular Weight:
305.83

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A4043

Azure B, certified by the Biological Stain Commission

227935

Azure B, prepared by direct synthesis

PHR2484

Azure B, Pharmaceutical Secondary Standard; Certified Reference Material

1046351

Azure B, United States Pharmacopeia (USP) Reference Standard