*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : QL6127400 CHEMICAL NAME : 2H-Naphtho(1,2-b)pyran-5,6-dione, 3,4-dihydro-2,2-dimethyl- CAS REGISTRY NUMBER : 4707-32-8 BEILSTEIN REFERENCE NO. : 0181499 REFERENCE : 5-17-11-00459 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C15-H14-O3 MOLECULAR WEIGHT : 242.29 COMPOUND DESCRIPTOR : Mutagen SYNONYMS/TRADE NAMES : * 3,4-Dihydro-2,2-dimethyl-2H-naphtho(1,2-b)pyran-5,6-dione * beta-Lapachone *** HEALTH HAZARD DATA *** ** MUTATION DATA ** TYPE OF TEST : Cytogenetic analysis TEST SYSTEM : Rodent - hamster Ovary DOSE/DURATION : 2 umol/L REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 288,263,1993 TYPE OF TEST : Sister chromatid exchange TEST SYSTEM : Rodent - hamster Ovary DOSE/DURATION : 1 umol/L REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 288,263,1993 *** END OF RECORD ***