*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DJ3100624 CHEMICAL NAME : 2H-1-Benzopyran-2-one, 4-(2-nitrophenyl)-7-(2-propynyloxy)- CAS REGISTRY NUMBER : 67377-25-7 LAST UPDATED : 199701 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C18-H11-N-O5 MOLECULAR WEIGHT : 321.30 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 4-o-Nitrophenyl-7-propargyloxy-cumarin * 4-(2-Nitrophenyl)-7-(2-propynyloxy)-2H-1-benzopyran-2-one *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >2 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : GWXXBX German Offenlegungsschrift Patent Document. (U.S. Patent and Trademark Office, Foreign Patents, Washington, DC 20231) Volume(issue)/page/year: #2751921 *** END OF RECORD ***