Certificate of Analysis

 

Product Name: Ursonic acid methyl ester
Catalog Number: M39723
CAS Number: 989-72-0

Physical and Chemical Properties
Formula: C31H48O3
Molecular Weight: 468.71
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: Ursonic acid methyl ester Structure
Analytical Data
QC Standard: >98.0%
H-NMR: Consistent with structure
Product Information
Description: Ursonic acid methyl ester is an esterified derivative of Ursolic acid. Ursonic acid methyl ester shows growth inhibitory activity against four tumor cell lines, HL-60, BGC, Bel-7402 and Hela with ED50 values of >100 µg/ml.
   
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.