| Item | Specification | Test Results |
| Characteristics | Dark red crystals or crystalline powder | Complies |
| Identification |
UV:Compare the spectrum with the reference
spectrum,Both spectra exhibit similar intensities of absorption at the same wavelengths |
Complies |
| Cobalt:Meet JP requirement | Complies | |
| Clarity and color of solution | The solution is clear and red color | Complies |
| Related substances |
Each area of the peaks other than mecobalamin
is not more than 0.5% of the peak area of mecobalamin |
0.2% |
|
The total area of the peaks other
than mecobalamin is not more than 2.0% |
0.9% | |
| Water | ≤11.5% | 7.3% |
| Assay | 98.5%~101.0% | 99.8% |
|
The total aerobic
microbial count |
≤1000cfu/g | <10cfu/g |
|
The total combined
yeasts&mould count |
≤100cfu/g | <10cfu/g |
| Conclusion : The result conforms the standard as above | ||