Product Name: Cefalexin CAS No.: 15686-71-2 MF.: C16H17N3O4S EINECS: 239-773-6 Description: White or almost white crystalline powder Cephalexin ( cefalexin) is a cephalosporin antibiotic used to treat bacterial infections of the upper respiratory tract, the middle ear, the bones, the skin, and the reproductive and urinary systems. Cephalexin ( cefalexin) works by interfering with the bacteria' s cell wall formation. This weakens the cell wall, causing it to rupture, and kills the bacteria. As cephalexin ( cefalexin) is only effective against certain types of bacterial infection your doctor may perform tests to identify the organisms causing the infection before beginning treatment. Cephalexin ( cefalexin) may also be used for other purposes not listed here. Cephalexin ( cefalexin) is available in capsule, tablet, and liquid forms. BoHong Medicine, Your Reliable Partner in China!