Todralazine
Title: Todralazine
CAS Registry Number: 14679-73-3
CAS Name: 2-(1-Phthalazinyl)hydrazinecarboxylic acid ethyl ester
Additional Names: 3-(1-phthalazinyl)carbazic acid ethyl ester; N1-carbethoxy-N2-phthalazinehydrazine; carboethoxyphthalazinohydrazine; ecarazine
Molecular Formula: C11H12N4O2
Molecular Weight: 232.24
Percent Composition: C 56.89%, H 5.21%, N 24.12%, O 13.78%
Literature References: Prepn: S. Biniecki et al., Bull. Acad. Pol. Sci. Ser. Sci. 6, 227 (1958), C.A. 52, 18424g (1958); eidem, BE 647722; eidem, US 3591588 (1964, 1971 both to Polfa). Spectrofluorometric determn in plasma: A. Ishii, T. Deguchi, Chem. Pharm. Bull. 26, 2241 (1978). Pharmacological study: M. Filczewski, E. Boguka, Pol. J. Pharmacol. Pharm. 31, 127 (1979), C.A. 91, 204508 (1979). Absorption, distribution, excretion in rats and humans: A. Ishii et al., Oyo Yakuri 18, 61 (1979), C.A. 92, 104012 (1980). Clinical study: W. Reiterer, H. Czitober, Arzneim.-Forsch. 27, 2163 (1977). Toxicity study: F. Parravincini et al., Farmaco Ed. Sci. 34, 299 (1979).
 
Derivative Type: Hydrochloride
CAS Registry Number: 3778-76-5
Additional Names: CEPH
Manufacturers' Codes: BT-621
Trademarks: Apiracohl (Kyowa); Aperdor (Tokyo Tanabe); Apride (Kodama); Atapren (Sumitomo); Binazin (Polfa); Illcut (Nippon Zoki); Propat (Hishiyama)
Molecular Formula: C11H12N4O2.HCl
Molecular Weight: 268.70
Percent Composition: C 49.17%, H 4.88%, N 20.85%, O 11.91%, Cl 13.19%
Properties: LD50 i.p. in mice: 500 mg/kg (Parravincini).
Toxicity data: LD50 i.p. in mice: 500 mg/kg (Parravincini)
 
Therap-Cat: Antihypertensive.
Keywords: Antihypertensive; Hydrazines/Phthalazines.

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