Certificate Of Analysis
Part Number: TCV-133918
Product Name: Vitamin B12
General Information:

LOT NUMBER: AL210222-10
FORMULA: C63H88CoN14O14P
FORMULA WEIGHT: 1355.37
CAS NUMBER: 68-19-9
MDL NUMBER: MFCD00151092
QUALITY RELEASE DATE: 22-Feb-2021
EXPIRATION DATE: 21-Feb-2025
LONG TERM STORAGE: 2-8℃
Test |
Specification |
Result |
Appearance(Color) |
Red to Brown |
Dark Red |
Appearance(Form) |
Crystalline Powder |
Crystalline Powder |
Proton NMR Spectrum |
Conforms to Structure |
Conforms |
Purity(HPLC) |
≥98.00% |
99.58% |
Uncertainty |
---- |
+/-0.5 % |
Recommended Retest Period |
---- |
4 Years |
Note: Stanford Chemicals guarantees the purity of this chemical standard +/-0.5 % eviation prior to the expiration date shown on the label. This guarantee is exclusive of any contamination caused by the customer.
注:以上信息仅供参考,以产品附带证书为准。