China (Mainland)
Vitamin B12 CAS NO.68-19-9
- Min.Order: 1 Kilogram
- Payment Terms: L/C,T/T,
- Product Details
Keywords
- Vitamin B12
- VB12
- Cyanocobalamin
Quick Details
- ProName: Vitamin B12
- CasNo: 68-19-9
- Molecular Formula: C63H88CoN14O14P
- Appearance: Dark red crystalline powder or dark re...
- Application: Vitamin B12 , also called cobalt amine...
- DeliveryTime: 7 days after receipt of 30% T/T.
- PackAge: 25kg net weight in cardboard drum or a...
- Port: China Port
- ProductionCapacity: 400 Metric Ton/Month
- Purity: 96.0-100.5%
- Storage: keep in a dry, cool and ventilated pla...
- Transportation: by sea, by air, by train.
- LimitNum: 1 Kilogram
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