3-Oxo-21α-methoxy-24,25,26,27-tetranortirucall-7-ene-23(21)-lactone is a cytotoxic tirucallane C26 triterpenoid isolated from the stem barks of Aphanamixis grandifolia.

1260173-73-6

C27H40O4

428.6

3-oxo-21-alpha-methoxy-24-25-26-27-tetranortirucall-7-ene-23-21-lactone

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