*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UQ1356500
CHEMICAL NAME           : 4H,5H-Pyrano(4,3-b)pyran-4,5-dione,
                          2,3-dihydro-2,7-dimethyl-
CAS REGISTRY NUMBER     : 18735-96-1
BEILSTEIN REFERENCE NO. : 1311628
REFERENCE               : 5-19-05-00073 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C10-H10-O4
MOLECULAR WEIGHT        : 194.20
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 2,3-Diidro-2,7-dimetil-4H,5H-pirano(4,3-b)piran-4,5-dione
   * 2,7-Dimethyl-2,3,4,5-tetrahydropyrano(4,3-b)pyran-4,5-dione
 
                       *** 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           : 1679 mg/kg
TOXIC EFFECTS :
   Brain and Coverings - recordings from specific areas of CNS
   Behavioral - convulsions or effect on seizure threshold
   Behavioral - tetany
REFERENCE :
   FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia,
   Italy)  V.8-43 1953-88 For publisher information, see FRMCE8
   Volume(issue)/page/year: 29,861,1974
 
                            *** END OF RECORD ***