Amorphous solid. PROTECT FROM MOISTURE. A semi-synthetic derivative of Phalloidin, Amanita phalloides (Cat. No. 516640), which is about 100-fold more cell-permeable than Phalloidin. Useful as a potent and specific F-actin binding agent and as an inhibitor of F- to G-actin conversion. Purity: ≥90% by HPLC. R: 26/27/28; S: 22-36/37/39-45 | 
