Certificate of Analysis

 

Product Name: Isocucurbitacin B
Catalog Number: M11122
CAS Number: 17278-28-3

Physical and Chemical Properties
Formula: C32H46O8
Molecular Weight: 558.7
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: Isocucurbitacin B  Structure
Analytical Data
QC Standard: >98%
H-NMR: Consistent with structure
Product Information
Description: Isocucurbitacin B is a toxic compound isolated from Helicteres rswa L. (Sterculiaceae). Has antitumor 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.