CAS 68844-77-9 appears in our catalog under these names: Astemizole, Astemizole, >95% (HPLC), Astemizole/ 98.24% (existing batch purity), Astemizole, 99+% , Astemizole - Bio-X â„¢. Offered by: Chemat Brand, TRC, Dr. Ehrenstorfer, TargetMol, GLPBio. Available pack sizes: on request, 10mg, 25mg, 50mg, 5mg, 100mg, 10mM (in 1ml dmso), 0,25g.