Sodium salt of Cephalothin (C261150), a first generation cephalosporin antibiotic with a wide range antibacterial activity. It is effective against gram-positive and gram-negative bacteria, and has been tested in respiratory disease and neuromuscular junction studies. Molecular Formula: C16H15N2NaO6S2 Solubility: DMSO (Slightly, Heated), Methanol (Slightly, Heated), Water (Slightly) Molecular Weight: 418.42