Certificate of Analysis

 

Product Name: 12beta-Acetoxy-3,7,11,15,23-pentaoxo-lanost-8,20-dien-26-oic acid
Catalog Number: M44538
CAS Number: 1309931-91-6

Physical and Chemical Properties
Formula: C32H40O9
Molecular Weight: 568.7
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: 12beta-Acetoxy-3,7,11,15,23-pentaoxo-lanost-8,20-dien-26-oic acid Structure
Analytical Data
QC Standard: ≥98.0%
H-NMR: Consistent with structure
Product Information
Description: 12beta-Acetoxy-3,7,11,15,23-pentaoxo-lanost-8,20-dien-26-oic acid
   
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.