Product Specification Alternative Name:RTX Formula:C37H40O9 MW:628.7 Source:Isolated from Euphorbia poisonii. CAS:57444-62-9 RTECS:CY1633700 Purity:≥99% Appearance:White amorphous solid. Hazard:TOXIC. Solubility:Soluble in 100% ethanol or DMSO; insoluble in water. Long Term Storage:-20°C