CAS number： 68-19-9
Molecular formula： C63H88CoN14O14P
molecular weight： 1355.3652
Chemical structure：
| Product Name | Vitamin B12 1% Feed Grade | |
| Shelf Life | 2 years | |
| Item | Specification | Result |
| Description | Pale red to brown powder, hygroscopicity | pale red powder, hygroscopicity |
| Identification | Have maximum absorption at 361±1nm, 550±2nm | Have maximum absorption |
| Arsenic | ≤3ppm | ＜3ppm |
| Potency (On C65H88N14O14P) | Make quantity 90-130% | 104.1% |
| Conclusion: Conform to this article meets the provision of the GB/T9841-2005. | ||
