Kaempferol 7-O-beta-d-glucopyranoside (6''-O-Acetylastragalin) is a novel supercoolant, to sub-zero non-freezing rat heart preservation.

118169-27-0

C23H22O12

490.41

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