Famotidine Impurity HCl with CAS No: 100599-91-5 is an impurity standard of Famotidine. Famotidine is a medication used to reduce stomach acid production. Famotidine is falls under the class of drugs known as histamine H2-receptor antagonists. Buy high quality Famotidine Impurity HCl from Molsyns Research. Molsyns Research is one of the leading manufacturer and exporter of Famotidine Impurity HCl