CAS 134071-44-6 appears in our catalog under these names: Ketoconazole impurity 6, 99.92%, Ketoconazole EP Impurity E, cis-(2-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-ylmethyl)-1,3-dioxolan-4-yl)methyl p-Tolylsulfonate, >95% (HPLC), Ketoconazole Intermediate 1e/ 98.91% (existing batch purity), cis-(2-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-ylmethyl)-1,3-dioxolan-4-yl)methyl p-tolylsulfonate. Offered by: MedChemExpress, Chemat Brand, TRC, Mikromol, TargetMol. Available pack sizes: Get quote, on request, 1g, 500mg, 25mg, 50mg, 100mg, 2g.