Pharmaceuticals raw Materials powder Famotidine

CAS:76824-35-6

MF:C8H15N7O2S3

MW:337.45

EINECS:616-396-9

Specification: 99% min Famotidine powder

Sample:Famotidine powder

Packaging:1kg/bag, 25kg/drum

Brand:Henrikang

Appearance:white

Storage: Cool Dry Place

Shelf Life: 2 Years

Test Method: HPLC

Famotidine powder Usage and Synthesis.

Famotidine is also called the stomach mottin serta, high serta, method, MoXian, letter d, thiazole amine, the preventive, for efficient and effective of the third generation of histamine H2 receptor blocker, receptor affinity is high, can effectively inhibit gastric acid, hydrochloric acid in gastric juice and food stimulation cause gastric acid secretion, at night can also inhibit histamine and five peptides to promote gastric stimulation such as gastrin-releasing caused by gastric acid secretion, It is suitable for gastric and duodenal ulcer, anastomotic ulcer, stress ulcer, reflux esophagitis, Zhuo - Ai syndrome and upper gastrointestinal bleeding.

Uses of Famotidine.

Histamine H2 receptor antagonist, highly selective, can inhibit gastric acid secretion for a long time. The effect is stronger, the maintenance time is longer, the safety range is wide, and there is no anti-androgen and interference with drug metabolism enzymes. Its antagonism is more than 30 times that of cimetidine and 14 times that of ranitidine. The dose used is only 1/20 of cimetidine and 1/7 of ranitidine. It is used for peptic ulcer disease, gastric and duodenal ulcer, reflux esophagitis, upper gastrointestinal bleeding, etc.

Preparation of Famotidine.

Product Methods of Famotidine.

Amidinothiourea is cyclically combined with 1, 3-dichloroacetone to form 2-guanidine-4-chloromethylthiazole, which is then reacted with thiourea and then chlorpropionitrile to form 2-guanidine-4 -[((ethyl cyanothiyl) methyl] thiazole, which is then alcohololized with methanol and then aminated to famotidine.