Certificate Of Analysis
Part Number: AQY-171243
Product Name: 25-Hydroxycholecalciferol
General Information:

LOT NUMBER: RD200523-12
FORMULA: C27H44O2
FORMULA WEIGHT: 400.64
CAS NUMBER: 19356-17-3
MDL NUMBER: MFCD00867077
QUALITY RELEASE DATE: 23-May-2020
EXPIRATION DATE: 22-May-2023
LONG TERM STORAGE: -20℃
Test |
Specification |
Result |
Appearance(Color) |
White |
White |
Appearance(Form) |
Powder |
Powder |
Proton NMR Spectrum |
Conforms to Structure |
Conforms |
Purity(HPLC) |
≥98.0% |
100.00% |
Uncertainty |
---- |
+/- 1.0 % |
Water by Karl Fischer |
≤5.0% |
3.40% |
Recommended Retest Period |
---- |
3 Years |
Note: Stanford Chemicals guarantees the purity of this chemical standard +/- 1.0 % 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。