*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : YR8930000 CHEMICAL NAME : Urea, 3-(4-antipyrinyl)-1-(p-methoxyphenyl)-2-thio- CAS REGISTRY NUMBER : 74051-63-1 BEILSTEIN REFERENCE NO. : 0343176 REFERENCE : 5-25-14-00109 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C19-H20-N4-O2-S MOLECULAR WEIGHT : 368.49 SYNONYMS/TRADE NAMES : * 3-(4-Antipyrinyl)-1-(p-methoxyphenyl)-2-thiourea * 1-p-Methoxyphenyl-3-(4-antipyryl)-2-thiourea *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 10 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#01138 *** END OF RECORD ***