3,6,19,23-Tetrahydroxy-12-ursen-28-oic acid is a natural product from Uncaria sessilifructus.

91095-51-1

C30H48O6

504.708

(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years