Certificate of Analysis

 
Product Name: Procyanidin B2 3,3'-di-O-gallate
Catalog Number: M39205
CAS Number: 79907-44-1
Physical and Chemical Properties
Formula: C44H34O20
Molecular Weight: 882.73
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: Procyanidin B2 3,3'-di-O-gallate Structure
Analytical Data
QC Standard: >98.0%
H-NMR: Consistent with structure
Product Information
Description: Procyanidin B2, 3,3'-di-O-gallate is an active constituent. Procyanidin B2, 3,3'-di-O-gallate strongly suppresses the constitutive as well as Jagged1 (Notch1 ligand)-induced activated Notch1 pathway.
   
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.