CAS 81103-11-9 appears in our catalog under these names: Clarithromycin, Clarithromycin, >95% (HPLC), Clarithromycin 100 µg/mL in Acetonitrile, Clarithromycin/ 99.89% (existing batch purity), Clarithromycin, 960-1040 µg/mg . Offered by: Chemat Brand, TRC, Mikromol, Dr. Ehrenstorfer, TargetMol. Available pack sizes: on request, 100mg, 10mg, 50mg, 250mg, 1ml, 200mg, 500mg.