*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : GY5874700 CHEMICAL NAME : 5H-Cyclopentapyrimidine, 6,7-dihydro-2-methyl- CAS REGISTRY NUMBER : 36274-29-0 LAST UPDATED : 199606 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C8-H10-N2 MOLECULAR WEIGHT : 134.20 SYNONYMS/TRADE NAMES : * 6,7-Dihydro-2-methyl-5H-cyclopentapyrimidine * MeCpp * 2-Methyl-6,7-dihydro-5H-cyclopentapyrimidine * 2-Methyl-5,6-trimethylenepyrimidine *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 90 mg/kg TOXIC EFFECTS : Behavioral - muscle contraction or spasticity Gastrointestinal - changes in structure or function of salivary glands Liver - hepatitis (hepatocellular necrosis), zonal REFERENCE : JJATDK JAT, Journal of Applied Toxicology. (John Wiley & Sons Ltd., Baffins Lane, Chichester, W. Sussex PO19 1UD, UK) V.1- 1981- Volume(issue)/page/year: 12,325,1992 TYPE OF TEST : LCLo - Lowest published lethal concentration ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 9 ppm/4H TOXIC EFFECTS : Brain and Coverings - other degenerative changes Vascular - regional or general arteriolar or venous dilation Nutritional and Gross Metabolic - weight loss or decreased weight gain REFERENCE : JJATDK JAT, Journal of Applied Toxicology. (John Wiley & Sons Ltd., Baffins Lane, Chichester, W. Sussex PO19 1UD, UK) V.1- 1981- Volume(issue)/page/year: 12,325,1992 *** END OF RECORD ***