*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : WH1427000 CHEMICAL NAME : Spiro(oxirane-2,1'(2H)-pentaleno(1,6a-c)pyran)-5'-car boxylic acid, 4',4'a,6'a,7'-tetrahydro- 7',8'-dimethyl-2'-oxo-, (1'R-(1'-alpha,4'a-alpha,6'a-beta,7'-alpha,9'aS*))- CAS REGISTRY NUMBER : 31501-48-1 LAST UPDATED : 199506 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C15-H16-O5 MOLECULAR WEIGHT : 276.31 COMPOUND DESCRIPTOR : Drug Natural Product SYNONYMS/TRADE NAMES : * Antibiotic PA-132 * Arenemycine * PA-132 * Pentalenolactone *** 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 : 25 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ABANAE Antibiotics Annual. (New York, NY) 1953-60. For publisher information, see AMACCQ. Volume(issue)/page/year: 4,676,1956/1957 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 12500 ug/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ABANAE Antibiotics Annual. (New York, NY) 1953-60. For publisher information, see AMACCQ. Volume(issue)/page/year: 4,676,1956/1957 *** END OF RECORD ***