Famotidine EP Impurity B with CAS No: 89268-62-2 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 EP Impurity B from Molsyns Research. Molsyns Research is one of the leading manufacturer and exporter of Famotidine EP Impurity B