Cyanocobalamin

Post Date:
Aug 29,2022
Expiry Date:
Aug 29,2023
Detailed Description:
Cas No. :68-19-9 Quantity: 100Metric Tons
Payment Method: TT, LC
Product name: Cyanocobalamin (Vitamin B12)
Characters: Dark red crystals or dark red crystalline powder
Identification A
UV: absorption maxima at 278±1nm, 361±1nm and 550±2nm
A361 n/m /A278nm: 1.70-1.90
A361nm/A550nm: 3.15-3.45
Identification B:
TLC: The principal sport in the chromatogram obtained with the test solution is similar in position, colour and size to the principal spot in the chromatogram obtained with the reference solution
Loss on drying: ≤10.0%
assay: 97% to 102.0%
Total impurities ≤3.0%
acetone ≤5000ppm
total aerobic microbial count: ≤1000cfu/g
total combined yeasts/mould count: ≤100cfu/g

Certificate: GMP, CEP
CAS Registry Number:
68-19-9
Synonyms:
;cyano-5,6-dimethylbenzimidazole-cobalamin;Cyanocobalamin;VB12;5,6-dimethyl-1-(3-o-phosphono-alpha-d-ribofuranosyl)-1h-benzimidazolmonoes;
Molecular Formula:
C₆₃H₈₈CoN₁₄O₁₄P
Molecular Weight:
1355.3652
Molecular Structure:
Safety Description:
S24/25:;

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