8-Keto-berberine is a non-naturally occurring 11, 12-oxygenated protoberberine. It is a derivative from naturally occurring 9, 10-oxygenated protoberberine.

81397-08-2

C20H17NO5

351.35

8-Keto-berberine

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