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100 Gram |
Negotiable |
Cyanocobalamin Vitamin B12 CAS 68-19-9
Chemical Name |
Cyanocobalamin |
Synonyms |
Vitamin B12 |
Molecular Formula |
C63H88CoN14O14P |
Molecular Weight |
1355.38 |
CAS No. |
68-19-9 |
EINECS |
200-680-0 |
|
|
Standard |
CP2005 BP2004 USP28 EP5.0 |
Characters |
Dark red, crystalline powder or dark red crystals |
Identification A |
UV: A361 nm/A278nm : 1.70-1.90 |
Identification B |
TLC: Meets Ph.Eur. monograph requirements |
Loss on drying |
≤ 10.0% |
Assay |
97.0-102.0% |
Related substances |
Total impurities ≤ 3.0% |
7β, 8β-Lactocyanocobalamin ≤ 1.0% |
|
34-Methylcyanocobalamin ≤0.5% |
|
8-Epi-cyanocobalamin ≤ 0.32% |
|
Any unspecified impurity ≤ 0.2% |
|
Residual solvent |
Acetone ≤ 0.5% |
Total plate count |
≤ 1000 cfu/g |
Yeasts and Molds |
≤ 100 cfu/g |
Melting point |
>300 ºC |
Water solubility |
Soluble |
Packing |
1000g/tin 500g/tin 100g/tin |
Application |
Megaloblstic annemia,malnutrition,posthemorrhagic anemia, neuralgia and disturbance. |
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