*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DH5890000 CHEMICAL NAME : Benzoic acid, 2-(4-nitroso-7-oxo-1,3,5-cycloheptatrien-1-yl)hydrazi de CAS REGISTRY NUMBER : 736-25-4 BEILSTEIN REFERENCE NO. : 0667424 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C14-H11-N3-O3 MOLECULAR WEIGHT : 269.28 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 2-Benzoylhydrazino-5-nitrosotropone * RCH-171 *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 700 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NYKZAU Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. (Nippon Yakuri Gakkai, c/o Kyoto Daigaku Igakubu Yakurigaku Kyoshitsu, Konoe-cho, Yoshida, Sakyo-ku, Kyoto 606, Japan) V.40- 1944- Volume(issue)/page/year: 60,52,1964 *** END OF RECORD ***