Certificate Of Analysis
Product Name Coenzyme B12,
≥97.0%
Product Number C0884
Product Brand SIGMA
CAS Number 13870-90-1
Molecular Formula C72H100CoN18O17P
Molecular Weight 1579.58
 
TEST SPECIFICATION LOT 116H0419 RESULTS
APPEARANCE DARK RED POWDER
SOLUBILITY CLEAR RED SOLUTION AT 10 MG PLUS 0.5 ML OF WATER
WATER CONTENT BY KARL FISCHER 4.02%
ELEMENTAL ANALYSIS (AS IS) 53.39% CARBON 15.43% NITROGEN
QC RELEASE DATE NOVEMBER 1996