*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : MW5776800 CHEMICAL NAME : Hydrocoumarin, 4-methyl- CAS REGISTRY NUMBER : 18435-75-1 LAST UPDATED : 198806 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C10-H10-O2 MOLECULAR WEIGHT : 162.20 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 2H-1-Benzopyran-2-one, 3,4-dihydro-4-methyl- * 3,4-Dihydro-4-methylcoumarin * 4-Methyl-1,2-benzodihydropyrone *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1281 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 71,686,1951 *** END OF RECORD ***