(6R,7R)-3-Hydroxymethyl-7-((2-aminothiazol-4-yl)acetamido)ceph-3-em-4-carboxylic Acid is a potential intermediate for antibiotics. It is a derivative of Cephalothin (C261150), which is 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.