*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : MS3112500 CHEMICAL NAME : L-Histidine, N-((hexahydro-1-methyl-2,6-dioxo-4-pyrimidinyl)carbon yl)-, (S)-, hydrate (4:1) CAS REGISTRY NUMBER : 103300-81-8 LAST UPDATED : 199212 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C12-H15-N5-O5.1/4H2-O MOLECULAR WEIGHT : 313.79 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * (S)-N-((Hexahydro-1-methyl-2,6-dioxo-4-pyrimidinyl)carbonyl)-L-histidine *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD - Lethal dose ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >500 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 33,2130,1990 *** END OF RECORD ***