1,1,1,3,5,7,9,9,9-nonamethylpentasiloxane is a chemical compound registered under CAS number 17478-13-6, with the molecular formula C9H30O4Si5 and a molecular weight of about 342.75 g/mol. It is also known as pentasiloxane, 1,1,1,3,5,7,9,9,9-nonamethyl-. DeWeiChem supplies 1,1,1,3,5,7,9,9,9-nonamethylpentasiloxane for laboratory research and bulk production; product code 1863359. Send an inquiry for purity, packaging, price and lead time.