*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UQ0335200
CHEMICAL NAME           : 2H,5H-Pyrano(3,2-c)(1)benzopyran-5-one,
                          3,4-dihydro-2-methoxy-2-methyl-4-phenyl-
CAS REGISTRY NUMBER     : 518-20-7
LAST UPDATED            : 199409
DATA ITEMS CITED        : 4
MOLECULAR FORMULA       : C20-H18-O4
MOLECULAR WEIGHT        : 322.38
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Drug
SYNONYMS/TRADE NAMES :
   * Actosin
   * Anticoagulans 63
   * BL 5
   * Compound 63 link
   * Cumopyran
   * Cumopyrin
   * Cyclocoumarol
   * Cyclocumarol
   *   3,4-Dihydro-2-methoxy-2-methyl-4-phenyl-2H,5H-pyrano(3,2-c)(1)benzopyran
     -5-one
   * Methanopyranorin
   * 2-Methyl-2-methoxy-4-phenyl-3,4-dihydro-pyrano-(3,2-c)-cumarin
   * Pyranocoumarin
   * Pyranocumarin
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 4 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85ARAE "Agricultural Chemicals," Thomson, W.T., 4 vols., Fresno, CA, Thomson
   Publications, 1976/77 revision  Volume(issue)/page/year: 3,142,1986
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 21 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85JFAN "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd,
   eds., Nottingham, Royal Soc. of Chemistry, 1983-86 Volume(issue)/page/year:
   A355,1983
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1600 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   SMWOAS Schweizerische Medizinische Wochenschrift.  (Schwabe & Co.,
   Steintorst 13, 4010 Basel, Switzerland)  V.50-    1920-
   Volume(issue)/page/year: 83,471,1953
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 1 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   SMWOAS Schweizerische Medizinische Wochenschrift.  (Schwabe & Co.,
   Steintorst 13, 4010 Basel, Switzerland)  V.50-    1920-
   Volume(issue)/page/year: 83,471,1953
 
                            *** END OF RECORD ***