- Min.Order :1 Kilogram
- Purity: 96.0-100.5%
- Payment Terms : L/C,T/T,
Keywords
Vitamin B12 VB12 Cyanocobalamin
Quick Details
- Appearance:Dark red crystalline powder or dark red crystals.
- Application:Vitamin B12 , also called cobalt amine element, is the only vitamin containing metal elements. Vitamin B12 in natural all is produced by nicroorganisms and higher plants and animals cannot make it.
- PackAge:25kg net weight in cardboard drum or according to customer requirements.
- ProductionCapacity:400|Metric Ton|Month
- Storage:keep in a dry, cool and ventilated place and keep away from the fire and heat source.
- Transportation:by sea, by air, by train.
Superiority:
Vitamin B12
cyano-5,6-dimethylbenzimidazole-cobalamin; Cyanocobalamin; VB12; 5,6-dimethyl-1-(3-o-phosphono-alpha-d-ribofuranosyl)-1h-benzimidazolmonoes
CAS NO. 68-19-9
Specification:USP/BP/EP
Chinese GMP
CEP
DMF/CTD format
Details:
Items Standard
Characteristics Dark red crystalline powder or dark red crystals
Identification A(UV) Absorption maxima at 278nm、361nm and from 547nm to 559nm
Ratio absorbances A361/A278nm 1.70-1.90
A361/A550nm 3.15-3.40
Identification B(TLC) Conforms to standard
Identification C(Chemistry) Positive
Identification D(Chemistry) Positive
Pseudo ayanocobalamin Complies
Related substances(HPLC) ≤3.0%
Loss on drying ≤12.0%
Assay (on dry basis)(UV) 96.0-100.5%
Residue solvent(GC)
Acetone ≤0.5%
Total plant count(Plant culture) ≤1000cfu/g
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