Vitamin B12
Brand：Hebei Hengguan Chemical Co.,Ltd Category：API's Views： times Introduction：CAS No.:68-19-9
| ITEM | SPECIFICATION |
| APPEARANCE: | CRYSTALLINE OR CRYSTALLINE POWDER |
| COLOUR: | RED-PURPLISH |
| IDENTIFICATION: | COMPLY WITH BP2000 |
| RATIO ABSORBANCES: |
A361/A278 1.70-1.88 A361/A550 3.15-3.40 |
| RELATED SUBSTANCES: | COMPLY WITH BP2000 |
| PSEUDO CYANOCOBALAMIN: | COMPLY WITH USP25 |
| LOSS ON DRYING: | 12% MAX |
| ASSAY(ON DRY SUBS.): | 96.0-100.5% |