Certificate of Analysis

 
Product Name: (-)-Epiafzelechin-3-O-gallate
Catalog Number: M40200
CAS Number: 108907-43-3
Physical and Chemical Properties
Formula: C22H18O9
Molecular Weight: 426.37
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: (-)-Epiafzelechin-3-O-gallate Structure
Analytical Data
QC Standard: >98.0%
H-NMR: Consistent with structure
Product Information
Description: (-)-Epiafzelechin-3-O-gallate is a natural product that can be isolated from the water extract of Pu-erh tea. (-)-Epiafzelechin-3-O-gallate shows antioxidant activity.
   
Stability and Solubility Advice: Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide.
We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details.