Certificate of Analysis

 

Product Name: (25R)-Spirost-4-en-3,12-dion
Catalog Number: M18157
CAS Number: 6875-60-1

Physical and Chemical Properties
Formula: C27H38O4
Molecular Weight: 426.59
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: (25R)-Spirost-4-en-3,12-dion Structure
Analytical Data
QC Standard: ≥98%
H-NMR: Consistent with structure
Product Information
Description: (25R)-Spirost-4-en-3,12-dion
   
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.