(Triphenylphosphoranylidene)acetaldehyde Price Not Available 1mg (Triphenylphosphoranylidene)acetaldehyde Supplier Page Catalog Number R000477 Molecular Formula C20H17OP CAS# 2136-75-6 Purity ≥95% Inchi InChI=1S/C20H17OP/c21-16-17-22(18-10-4-1-5-11-18,19-12-6-2-7-13-19)20-14-8-3-9-15-20/h1-17H Inchi Key CQCAYWAIRTVXIY-UHFFFAOYSA-N SMILES C1=CC=C(C=C1)P(=CC=O)(C2=CC=CC=C2)C3=CC=CC=C3 Size 1mg Supplier Page https://www.musechem.com/product/R000477.html