1) Cat. No.: TRC-C988870; 2) Chemical Name: 1-Cyclopropyl-2-(triphenylphosphoranylidene)-ethanone; 3) CAS No.: 7691-76-1; 4) Mol. Formula: C23H21OP; 5) Mol. Weight: 344.39; 6) Packing Size: 1g / 10g; 7) Appearence: White Solid; 8) Application Notes: Reactant in the preparation of Vitamin D2 (V676040) derivatives. ; 9) Synonym: Cyclopropyl (Triphenylphosphoranylidene)methyl Ketone; [(Cyclopropylcarbonyl)methylene]triphenyl-phosphorane; 10) Solubility: Dichloromethane, Ethyl Acetate; 11) Storage condition: ; 12) References: Calverley, M.J.: Tetrahedron, 43, 4609 (1987)