Certificate of Analysis

 
Product Name: Kauran-18-oic acid, 16,17,19-trihydroxy-, (4α)-
Catalog Number: M39873
CAS Number: 308821-59-2
Physical and Chemical Properties
Formula: C20H32O5
Molecular Weight: 352.47
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: Kauran-18-oic acid, 16,17,19-trihydroxy-, (4α)- Structure
Analytical Data
QC Standard: >98.0%
H-NMR: Consistent with structure
Product Information
Description: Kauran-18-oic acid, 16,17,19-trihydroxy-, (4α)- (compound 5) is a endogenous ent-kaurane diterpene compound in green coffee beans, providing direct chemical indicators of low-quality coffee.
   
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.