*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : YP2840000 CHEMICAL NAME : L-Tyrosine, 3-hydroxy-alpha-methyl-, 1-(2,2-dimethyl-1-oxopropoxy)ethyl ester, phosphate, monohydrate LAST UPDATED : 198605 DATA ITEMS CITED : 4 MOLECULAR FORMULA : C17-H25-N-O6.H3-O4-P.H2-O MOLECULAR WEIGHT : 455.45 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 3-Hydroxy-alpha-methyl-L-tyrosine 1-(2,2-dimethyl-1-oxopropoxy)ethyl ester phosphate hydrate * MK-872 *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 1879 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression REFERENCE : DRFUD4 Drugs of the Future. (J.R. Prous, S.A., Apartado de Correos 540, 08080 Barcelona, Spain) V.1- 1975/76- Volume(issue)/page/year: 10,563,1985 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 150 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : DRFUD4 Drugs of the Future. (J.R. Prous, S.A., Apartado de Correos 540, 08080 Barcelona, Spain) V.1- 1975/76- Volume(issue)/page/year: 10,563,1985 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 2780 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : DRFUD4 Drugs of the Future. (J.R. Prous, S.A., Apartado de Correos 540, 08080 Barcelona, Spain) V.1- 1975/76- Volume(issue)/page/year: 10,563,1985 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 187 mg/kg TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression REFERENCE : DRFUD4 Drugs of the Future. (J.R. Prous, S.A., Apartado de Correos 540, 08080 Barcelona, Spain) V.1- 1975/76- Volume(issue)/page/year: 10,563,1985 *** END OF RECORD ***