Vitamin B12 98% For Biochemistry
cyanocobalamine
Product Code. |
02832 |
Grade |
|
Purity |
96% |
CAS No. |
68-19-9 |
Molecular Formula |
C63H88CON14O14P |
Molecular Weight |
1355.40 |
H.S.Code |
2936.26100 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Dark red |
Melting point/ Freezing point [°C] |
300 °C |
| Solubility in water [% weight] |
Moderately soluble in water |
Packaging
Specification
| Appearance | Dark red crystalline powder. |
| Assay | 96 - 100.5% |
| Relative absorption | |
| at 361 nm/278 nm | 1.70 - 1.90 |
| at 361 nm/550 nm | 3.15 - 3.40 |
| Arsenic (As) | Max 0.0003% |
| Copper (Cu) | Max 0.0025% |
| Lead (Pb) | Max 0.001% |
| Zinc (Zn) | Max 0.0025% |
| Related Substances | Max 3.0% |
| Methanol (GC,area %) | Max 0.3% |
| Loss on drying | Max 12% |
Safety Information and Hazard Symbols