Title: Guanethidine
CAS Registry Number: 55-65-2
CAS Name: [2-(Hexahydro-1(2
H)-azocinyl)ethyl]guanidine
Synonyms: [2-(octahydro-1-azocinyl)ethyl]guanidine; 1-(2-guanidinoethyl)octahydroazocine; 2-(1¢-azacyclooctyl)ethylguanidine;
N-(2-perhydroazocin-1-ylethyl)guanidine; 2-(1-
N,N-heptamethylenimino)ethylguanidine; oktadin; oktatenzin
Molecular Formula: C10H22N4
Molecular Weight: 198.31
Percent Composition: C 60.57%, H 11.18%, N 28.25%
Literature References: Prepn: R. A. Maxwell
et al., Experientia 15, 267 (1959); R. P. Mull,
US 2928829 (1960 to Ciba). Pharmacology: H. J. Sah
et al., Arzneim.-Forsch. 16, 53 (1966). Clinical trial in hypertension: E. A. Ramirez
et al., Circulation 55, 519 (1977); in glaucoma: R. A. Hitchings, D. Glover,
Br. J. Ophthalmol. 66, 247 (1982).
Derivative Type: Sulfate
CAS Registry Number: 60-02-6
Manufacturers' Codes: Su-5864
Molecular Formula: (C10H22N4)2.H2SO4
Molecular Weight: 494.70
Percent Composition: C 48.56%, H 9.37%, N 22.65%, S 6.48%, O 12.94%
Properties: Crystals from dil ethanol, mp 276-281° (dec).
Melting point: mp 276-281° (dec)
Derivative Type: Monosulfate
CAS Registry Number: 645-43-2
Trademarks: Sanotensin (Egis); Ismelin (Novartis)
Molecular Formula: C10H22N4.H2SO4
Molecular Weight: 296.39
Percent Composition: C 40.52%, H 8.16%, N 18.90%, S 10.82%, O 21.59%
Properties: Colorless, crystalline, almost odorless powder. Sol in 1.5 parts water at 20°. Very slightly sol in alcohol. Practically insol in ether, chloroform.
Therap-Cat: Antihypertensive; antiglaucoma.
Keywords: Antihypertensive; Guanidine Derivatives.