*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : VA3850000
CHEMICAL NAME           : 4(3H)-Quinazolinone, 2-methyl-3-o-tolyl-
CAS REGISTRY NUMBER     : 72-44-6
BEILSTEIN REFERENCE NO. : 0211874
REFERENCE               : 5-24-03-00132 (Beilstein Handbook Reference)
LAST UPDATED            : 199701
DATA ITEMS CITED        : 21
MOLECULAR FORMULA       : C16-H14-N2-O
MOLECULAR WEIGHT        : 250.32
WISWESSER LINE NOTATION : T66 BVN ENJ CR B1& D1
COMPOUND DESCRIPTOR     : Drug
                          Reproductive Effector
                          Human
SYNONYMS/TRADE NAMES :
   * Cateudyl
   * Citexal
   * CI-705
   * CN 38703
   * 3,4-Dihydro-2-methyl-4-oxo-3-o-tolylquinazoline
   * Dormigoa
   * Dormogen
   * Dormutil
   * Dorsedin
   * Fadormir
   * Holodorm
   * Hyminal
   * Hypcol
   * Hyptor
   * Hyptor Base
   * Ipnofil
   * MAOA
   * Mequin
   * Melsedin Base
   * Melsomin
   * Metachalon
   * Metaqualon
   * Methaqualone
   * Methaqualoneinone
   * 2-Methyl-3-(2-methylphenyl)-4-quinazolinone
   * 2-Methyl-3-(2-methylphenyl)-4(3H)-quinazolinone
   * 2-Methyl-3-o-tolyl-4(3H)-chinazolinon
   * 2-Methyl-3-o-tolyl-4(3H)-chinazolone
   * 2-Methyl-3-(o-tolyl)-3,4-dihydro-4-quinazolinone
   * 2-Methyl-3-tolyl-4-oxybensdiazine
   * 2-Methyl-3-o-tolyl-4(3H)-quinazolinone
   * 2-Methyl-3-o-tolyl-4-quinazolone
   * 2-Methyl-3-(2-tolyl)quinazol-4-one
   * Metolquizolone
   * Mozambin
   * Mollinox
   * Motolon
   * MTQ
   * Nethaqualone
   * Nobedorm
   * Noctilene
   * Normi-nox
   * Omnyl
   * Optinoxan
   * Orthonal
   * Ortonal
   * Parminal
   * Pro-Dorm
   * Quaalude
   * 4(3H)-Quinazolinone, 2-methyl-3-(2-methylphenyl)-
   * QZ 2
   * Revonal
   * RIC 272
   * Rorer 148
   * Roulone
   * Rouqualone
   * Sindesvel
   * Somberol
   * Somnomed
   * Sonal
   * Sopor
   * Soverin
   * Torinal
   * TR-495
   * Tuazole
   * Tuazolone
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human
DOSE/DURATION           : 57 mg/kg
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - other changes
   Gastrointestinal - nausea or vomiting
REFERENCE :
   ATXKA8 Archiv fuer Toxikologie.  (Berlin, Fed. Rep. Ger.)  V.15-31, 1954-74.
    For publisher information, see ARTODN.  Volume(issue)/page/year: 20,31,1963
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human - man
DOSE/DURATION           : 114 mg/kg
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Behavioral - changes in motor activity (specific assay)
   Lungs, Thorax, or Respiration - acute pulmonary edema
REFERENCE :
   ATXKA8 Archiv fuer Toxikologie.  (Berlin, Fed. Rep. Ger.)  V.15-31, 1954-74.
    For publisher information, see ARTODN.  Volume(issue)/page/year: 20,31,1963
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 185 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JMCMAR Journal of Medicinal Chemistry.  (American Chemical Soc.,
   Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC
   20037)  V.6-    1963-  Volume(issue)/page/year: 24,490,1981
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 125 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 17,242,1967
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 420 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   1,42,1959
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 180 mg/kg
TOXIC EFFECTS :
   Behavioral - muscle weakness
   Behavioral - stiffness
REFERENCE :
   IJMRAQ Indian Journal of Medical Research.  (Indian Council of Medical
   Research, Ansari Nagar, New Delhi 110 029, India)  V.1-    1913-
   Volume(issue)/page/year: 69,1008,1979
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Parenteral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 500 mg/kg
TOXIC EFFECTS :
   Behavioral - tremor
   Behavioral - muscle contraction or spasticity
   Behavioral - analgesia
REFERENCE :
   PCJOAU Pharmaceutical Chemistry Journal (English Translation).  Translation
   of KHFZAN. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013)  No.1-
   1967-  Volume(issue)/page/year: 7,626,1973
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Mammal - cat
DOSE/DURATION           : 235 mg/kg
TOXIC EFFECTS :
   Behavioral - altered sleep time (including change in righting reflex)
   Behavioral - ataxia
   Gastrointestinal - nausea or vomiting
REFERENCE :
   FATOAO Farmakologiya i Toksikologiya (Moscow).  For English translation, see
   PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2-   
   1939-  Volume(issue)/page/year: 27,413,1964
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 100 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ATXKA8 Archiv fuer Toxikologie.  (Berlin, Fed. Rep. Ger.)  V.15-31, 1954-74.
    For publisher information, see ARTODN.  Volume(issue)/page/year: 20,31,1963
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1300 mg/kg/30D-I
TOXIC EFFECTS :
   Kidney, Ureter, Bladder - urine volume decreased
REFERENCE :
   FATOAO Farmakologiya i Toksikologiya (Moscow).  For English translation, see
   PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2-   
   1939-  Volume(issue)/page/year: 27,413,1964
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 11 gm/kg
SEX/DURATION            : male 3 day(s) pre-mating
                          female 3 day(s) pre-mating  - 22 day(s) after
                          conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
   Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4
   per # born alive)
REFERENCE :
   EXPEAM Experientia.  (Birkhaeuser Verlag, POB 133, CH-4010 Basel,
   Switzerland)  V.1-    1945-  Volume(issue)/page/year: 19,183,1963
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 800 mg/kg
SEX/DURATION            : female 8-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
   Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured
   before birth)
REFERENCE :
   EXPEAM Experientia.  (Birkhaeuser Verlag, POB 133, CH-4010 Basel,
   Switzerland)  V.1-    1945-  Volume(issue)/page/year: 33,1635,1977
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 1200 mg/kg
SEX/DURATION            : female 8-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - Central Nervous System
   Reproductive - Specific Developmental Abnormalities - eye/ear
REFERENCE :
   EXPEAM Experientia.  (Birkhaeuser Verlag, POB 133, CH-4010 Basel,
   Switzerland)  V.1-    1945-  Volume(issue)/page/year: 33,1635,1977
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 150 mg/kg
SEX/DURATION            : female 10 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetal death
   Reproductive - Specific Developmental Abnormalities - other developmental
   abnormalities
REFERENCE :
   CAJPBD Proceedings of the Congenital Anomalies Research Association of
   Japan.  (Kyoto, Japan) No.1-    1961-  Volume(issue)/page/year: 3,2,1963
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rabbit
DOSE                    : 900 mg/kg
SEX/DURATION            : female 8-16 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
   Reproductive - Effects on Embryo or Fetus - fetal death
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   10,244,1967

                              *** REVIEWS ***
 
   TOXICOLOGY REVIEW
   PHJOAV Pharmaceutical Journal.  (Pharmaceutical Soc. of Great Britain, 1
   Lambeth High St., London, SE1 7JN, UK)  V.131-    1933-
   Volume(issue)/page/year: 213,159,1974

   TOXICOLOGY REVIEW
   INTEAG Internist.  (Springer-Verlag New York, Inc., Service Center, 44 Hartz
   Way, Secaucus, NJ 07094) V.1-    1960-  Volume(issue)/page/year: 15,7,1974

   TOXICOLOGY REVIEW
   CLCHAU Clinical Chemistry (Winston-Salem, NC).  (American Assoc. for
   Clinical Chemistry, 1725 K St., NW, Washington, DC 20006)  V.1-    1955-
   Volume(issue)/page/year: 19,361,1973

   TOXICOLOGY REVIEW
   ARVPAX Annual Review of Pharmacology.  (Palo Alto, CA)  V.1-15, 1961-75. For
   publisher information, see ARPTDI.  Volume(issue)/page/year: 5,447,1965

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X3715
       No. of Facilities: 107 (estimated)
       No. of Industries: 3
       No. of Occupations: 3
       No. of Employees: 4848 (estimated)
       No. of Female Employees: 3062 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***