Ranitidine
Title: Ranitidine
CAS Registry Number: 66357-35-5
CAS Name: N-[2-[[[-5-[(Dimethylamino)methyl]-2-furanyl]methyl]thio]ethyl]-N¢-methyl-2-nitro-1,1-ethenediamine
Molecular Formula: C13H22N4O3S
Molecular Weight: 314.40
Percent Composition: C 49.66%, H 7.05%, N 17.82%, O 15.27%, S 10.20%
Literature References: Histamine H2-receptor antagonist which inhibits gastric acid secretion. Prepn: B. J. Price et al., FR 2384765; eidem, US 4128658 (both 1978 to Allen & Hanburys). HPLC determn in plasma: P. F. Carey, L. E. Martin, J. Liq. Chromatogr. 1979, 1291. Pharmacological studies: J. Bradshaw et al., Br. J. Pharmacol. 66, 464 (1979); M. J. Daly et al., Gut 21, 408 (1980). Efficacy in treatment of duodenal ulcers: A. Berstad et al., Scand. J. Gastroenterol. 15, 637 (1980); R. P. Walt et al., Gut 22, 49 (1981). Review of pharmacology and therapeutic use: R. N. Brogden et al., Drugs 24, 267-303 (1982). Comprehensive description: M. Hohnjec et al., Anal. Profiles Drug Subs. 15, 533-561 (1986).
Properties: Solid, mp 69-70°.
Melting point: mp 69-70°
 
Derivative Type: Hydrochloride
CAS Registry Number: 66357-59-3
Manufacturers' Codes: AH-19065
Trademarks: Azantac (GSK); Melfax (Apotex); Noctone (GEA); Raniben (Firma); Ranidil (Menarini); Raniplex (Fournier); Sostril (Cascan); Taural (Roemmers); Terposen (Vir); Trigger (Polifarma); Ulcex (Guidotti); Ultidine (GSK); Zantac (GSK); Zantic (GSK)
Molecular Formula: C13H22N4O3S.HCl
Molecular Weight: 350.86
Percent Composition: C 44.50%, H 6.61%, N 15.97%, O 13.68%, S 9.14%, Cl 10.10%
Properties: Off-white solid, mp 133-134°. Freely sol in acetic acid and water, sol in methanol, sparingly sol in ethanol. Practically insol in chloroform.
Melting point: mp 133-134°
 
Derivative Type: Bismuth citrate
CAS Registry Number: 128345-62-0
Additional Names: Ranitidine bismutrex
Manufacturers' Codes: GR-122311X
Trademarks: Pylorid (GSK); Tritec (GSK)
Molecular Formula: C13H22N4O3S.C6H5BiO7
Molecular Weight: 712.48
Percent Composition: C 32.03%, H 3.82%, N 7.86%, O 22.46%, S 4.50%, Bi 29.33%
Literature References: Pharmacology and activity vs Helicobacter sp: R. Stables et al., Aliment. Pharmacol. Ther. 7, 237 (1993).
 
Therap-Cat: Antiulcerative.
Keywords: Antiulcerative; Histamine H2-Receptor Antagonist.

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