Certificate Of Analysis
Part Number: TRE-534343
Product Name: Physostigmine
General Information:

LOT NUMBER: TC180911-02
FORMULA: C15H21N3O2
FORMULA WEIGHT: 275.35
CAS NUMBER: 57-47-6
QUALITY RELEASE DATE: 11-Sep-2018
EXPIRATION DATE: 10-Sep-2022
LONG TERM STORAGE: 2-8℃
Test |
Specification |
Result |
Appearance(Color) |
White to Off-white |
White |
Appearance(Form) |
Powder |
Powder |
Proton NMR Spectrum |
Conforms to Structure |
Conforms |
Purity(HPLC) |
≥98.0% |
98.06% |
Uncertainty |
...... |
+/- 1.0 % |
Recommended Retest Period |
...... |
4 Years |
Note: Stanford Chemicals guarantees the purity of this chemical standard +/- 1.0 % deviation 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。