Certificate of Analysis

 

Product Name: Astringin
Catalog Number: M19340
CAS Number: 29884-49-9

Physical and Chemical Properties
Formula: C20H22O9
Molecular Weight: 406.38
Form: Solid
Solubility: DMSO 125 mg/mL (ultrasonic)
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: Astringin Structure
Analytical Data
QC Standard: >95%
H-NMR: Consistent with structure
Product Information
Description: Astringin (trans-Astringin) has potent antioxidant capacity and cancer-chemopreventive 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.