*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UV7780000 CHEMICAL NAME : 4-Pyrimidinecarboxylic acid, 2-hydroxy-6-mercapto-5-methyl- CAS REGISTRY NUMBER : 74039-19-3 LAST UPDATED : 197902 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C6-H6-N2-O3-S MOLECULAR WEIGHT : 186.20 WISWESSER LINE NOTATION : T6N CNJ BQ DVQ E1 FSH SYNONYMS/TRADE NAMES : * 2-Hydroxy-6-mercapto-5-methyl-4-pyrimidinecarboxylic acid * 2-Hydroxy-6-thio-5-methyl-4-carboxy pyrimidine *** 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 : 180 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#04724 *** END OF RECORD ***