China Raw Material 1% 99% Purity Pharmaceutical Grade Mecobalamin Powder CAS 13422-55-4//Cyanocobalamin Price CAS 68-19-9 Vitamin B12, Find details about China Mecobalamin, Mecobalamin Powder from Raw Material 1% 99% Purity Pharmaceutical Grade Mecobalamin Powder CAS 13422-55-4//Cyanocobalamin Price CAS 68-19-9 Vitamin B12
Introduction
Product Name: | Vitamin B12 |
Other Name | Methylcobalamin |
CAS: | 13422-55-4 |
EINECS: | 236-535-3 |
MF: | C63H88CoN14O14P |
MW: | 1344.38 |
Shelf Life | 2 years |
Appearance | Dark Red Powder |
flash(ing) point | 9ÂșC |
solubility | Sparingly soluble in water and in ethanol (96 per cent), practically insoluble in aceto. The anhydrous substance is very hygroscopic. |
Function
Test items | Specifications | Results |
Characters | The total combined yeasts/mould count | Complies |
Identification1 | UV: The absorption spectrum exhibits maxima at 264nm,285nm,305nm and 460nm. | Complies |
Identification2 | HPLC:The retention time of the major peak of the sample solution corresponds to that of the reference solution. | Complies |
Identification3 | The IR spectra of the sample is similar with the reference spectra | Complies |
Loss on drying | W10.0% | 9.4% |
Assay | 98.5% ~102.0% | 99% |
Hydroxocobalamine | UV: A460nm/A352nmN0.90 | 0.957 |
Related substances | The sum of each impurity peak area is not larger than 1.0% of the main area of the reference solution | 1.0% |
Aceto | W0.5% | 0.004% |
The total aerobic microbial count | W1000 cfu/g | 2.9x102cfu/g |
The total combined yeasts/mould count | W1000 cfu/g | 10cfu/g |