CAS 90729-43-4 appears in our catalog under these names: 1-[4-(1,1-Dimethylethyl)phenyl]-4-[4-(diphenylmethoxy)-1-piperidinyl]-1-butanone, 98%, 98%, Ebastine, min. 95 %, 5 g, Ebastine, Ebastine, >95% (HPLC), Ebastine/ 100%. Offered by: Chemat, Roth, Chemat Brand, TRC, Mikromol. Available pack sizes: 10g, 15g, 250mg, 1g, 25g, 5g, on request, 10mg.