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Vitamin B12
Chemical Name | ：VitaminB12 |
Category | ：Vitamin |
Specification | ：USP/BP/EP |
HS Code | ：29362600.00 |
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CHEMCIAL PROPERTY
Structure Formula | ： |
CAS Number | ：68-19-9 |
Molecular Formula | ：C63H88CoN14O14P |
Usage | ：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. Vitamin B12 is the only kind of vitamin need a intestinal secretions (internal factor)’s help to be absorb. Its main physiological function is participating in production of red blood cells in the bone marrow , preventing pernicious anemia and preventing damage to the brain. |
TECHNICAL DATA
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 |
DOCUMENT SERVICE
The available documents are:
Chinese GMP
CEP
DMF/CTD format
The available registered countries are:
Algeria
Spain
Australia
Chinese GMP
CEP
DMF/CTD format
The available registered countries are:
Algeria
Spain
Australia