Kaempferol 3-O-rhamninoside is a natural product from Patrinia villosa (Thunb.) Juss.

83170-31-4

C33H40O19

740.66

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