*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UQ6393550 CHEMICAL NAME : 1H-Pyrazole-1-carboxylic acid, 4,5-dihydro-5-ethyl-, methyl ester CAS REGISTRY NUMBER : 121306-81-8 LAST UPDATED : 199606 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C7-H12-N2-O2 MOLECULAR WEIGHT : 156.21 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 1-Methoxycarbonyl-5-ethyl-2-pyrazoline * Methyl 4,5-dihydro-5-ethyl-1H-pyrazole-1-carboxylate *** 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 : 740 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4990529 *** END OF RECORD ***