Product: Clarithromycin CAS NO.: 81103-11-9 Strong supplier of Clarithromycin from China M.F.: C38H69NO13 M.W.: 747.9534Appearance: white crystalline powderPackage: 25kg/fibre drumSpec.: CP2005 USP26Usage: it is a macrolide antibiotic for the treatment of upper and lower respiratory tract infections, skin and soft tissue infections Clarithromycin / 81103-11-9