*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : VT3350000
CHEMICAL NAME           : Semicarbazide,
                          1-(alpha,alpha,alpha,alpha',alpha',alpha'-hexafluoro-
                          3,5-xylyl)-4-methyl- 3-thio-
CAS REGISTRY NUMBER     : 24095-80-5
BEILSTEIN REFERENCE NO. : 0762181
LAST UPDATED            : 199612
DATA ITEMS CITED        : 9
MOLECULAR FORMULA       : C10-H9-F6-N3-S
MOLECULAR WEIGHT        : 317.28
WISWESSER LINE NOTATION : SUYM1&MMR CXFFF EXFFF
COMPOUND DESCRIPTOR     : Reproductive Effector
SYNONYMS/TRADE NAMES :
   * 1-((3,5-Bis-trifluoromethyl)phenyl)-4-methyl-thiosemicarbazide
   * C 2696-Go
   * Ciba 2696 Go
   * Go 2696
   * Hydrazinecarbothioamide, 2-(3,5-bis(trifluoromethyl)phenyl)-N-methyl-
   * 4-Methyl-1-(3,5-bistrifluoromethylphenyl)thiosemicarbazide
 
                       *** 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           : 414 mg/kg
TOXIC EFFECTS :
   Behavioral - ataxia
   Behavioral - coma
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 23,797,1973
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 212 mg/kg
TOXIC EFFECTS :
   Behavioral - ataxia
   Behavioral - coma
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 23,797,1973
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 269 mg/kg
TOXIC EFFECTS :
   Behavioral - ataxia
   Behavioral - coma
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 23,797,1973
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 1500 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: 23,797,1973
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Primate - monkey
DOSE/DURATION           : >1500 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: 23,797,1973
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 25 mg/kg
SEX/DURATION            : female 6-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
   Reproductive - Specific Developmental Abnormalities - Central Nervous System
   Reproductive - Specific Developmental Abnormalities - eye/ear
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 23,797,1973
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 50 mg/kg
SEX/DURATION            : female 6-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 23,797,1973
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 30 mg/kg
SEX/DURATION            : female 1-3 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - pre-implantation mortality (e.g. reduction in
   number of implants per female; total number of implants per corpora lutea)
REFERENCE :
   IJSBDB Indian Journal of Chemistry, Section B: Organic Chemistry, Including
   Medicinal Chemistry. (Publications & Information Directorate, Council of
   Scientific and Industrial Research (CSIR), Hillside Rd., New Delhi 110 012,
   India)  V.14B-    1976-  Volume(issue)/page/year: 23,1243,1984
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 7500 ug/kg
SEX/DURATION            : female 1-3 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - pre-implantation mortality (e.g. reduction in
   number of implants per female; total number of implants per corpora lutea)
REFERENCE :
   IJSBDB Indian Journal of Chemistry, Section B: Organic Chemistry, Including
   Medicinal Chemistry. (Publications & Information Directorate, Council of
   Scientific and Industrial Research (CSIR), Hillside Rd., New Delhi 110 012,
   India)  V.14B-    1976-  Volume(issue)/page/year: 23,1243,1984
 
                            *** END OF RECORD ***