*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XP2087500
CHEMICAL NAME           : Thymidine, alpha,alpha,alpha-trifluoro-
CAS REGISTRY NUMBER     : 70-00-8
BEILSTEIN REFERENCE NO. : 0568095
LAST UPDATED            : 199612
DATA ITEMS CITED        : 16
MOLECULAR FORMULA       : C10-H11-F3-N2-O5
MOLECULAR WEIGHT        : 296.23
WISWESSER LINE NOTATION : T6NVMVJ EXFFF A- ET5OTJ B1Q CQ
COMPOUND DESCRIPTOR     : Mutagen
SYNONYMS/TRADE NAMES :
   * 2'-Deoxy-5-(trifluoromethyl)uridine
   * F3DThd
   * F3T
   * F3TDR
   * NSC 75520
   * 2,4(1H,3H)-Pyrimidinedione,  
   1-(2-deoxy-beta-D-ribofuranosyl)-5-(trifluoromethyl)-
   * TFDU
   * 5-Trifluoro-2'-deoxythymidine
   * Trifluoromethyldeoxyuridine
   * 5-(Trifluoromethyl)deoxyuridine
   * 5-Trifluoromethyl-2-deoxyuridine
   * 5-(Trifluoromethyl)-2'-deoxyuridine
   * Trifluorothymidine
   * alpha,alpha,alpha-Trifluorothymidine
   * Trifluridine
   * Uridine, 2'-deoxy-5-(trifluoromethyl)-
   * Viroptic
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2946 mg/kg
TOXIC EFFECTS :
   Liver - other changes
REFERENCE :
   NCIAL* Progress Report Submitted to the National Cancer Institute by Arthur
   D. Little, Inc. (15 Acorn Park, Cambridge, MA 02140)
   Volume(issue)/page/year: -,260,1967
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1931 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NCISP* National Cancer Institute Screening Program Data Summary,
   Developmental Therapeutics Program. (Bethesda, MD 20205)
   Volume(issue)/page/year: JAN1986
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 3381 mg/kg
TOXIC EFFECTS :
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   NCIAL* Progress Report Submitted to the National Cancer Institute by Arthur
   D. Little, Inc. (15 Acorn Park, Cambridge, MA 02140)
   Volume(issue)/page/year: -,260,1967
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Primate - monkey
DOSE/DURATION           : 400 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GVRAAS Government Reports Announcements. (U.S.)  (Washington, D.C.) V.71(6)
   -75(6), 1971-75. Merged with Government Reports Index (US) to form
   Government Reports Announcement Index (U.S.)  Volume(issue)/page/year:
   74(9),60,1974
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 187 mg/kg/15D-I
TOXIC EFFECTS :
   Gastrointestinal - changes in structure or function of salivary glands
   Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
   acute tubular necrosis)
   Blood - leukopenia
REFERENCE :
   NCIAL* Progress Report Submitted to the National Cancer Institute by Arthur
   D. Little, Inc. (15 Acorn Park, Cambridge, MA 02140)
   Volume(issue)/page/year: -,260,1967
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Primate - monkey
DOSE/DURATION           : 2600 mg/kg/90D-I
TOXIC EFFECTS :
   Liver - other changes
   Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - transaminases
REFERENCE :
   GVRAAS Government Reports Announcements. (U.S.)  (Washington, D.C.) V.71(6)
   -75(6), 1971-75. Merged with Government Reports Index (US) to form
   Government Reports Announcement Index (U.S.)  Volume(issue)/page/year:
   74(9),60,1974
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Primate - monkey
DOSE/DURATION           : 2100 mg/kg/14D-I
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - chronic pulmonary edema
   Gastrointestinal - hypermotility, diarrhea
   Related to Chronic Data - death
REFERENCE :
   NCIAL* Progress Report Submitted to the National Cancer Institute by Arthur
   D. Little, Inc. (15 Acorn Park, Cambridge, MA 02140)
   Volume(issue)/page/year: -,260,1967
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 500 ug/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 169,123,1986
 
TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Human Lymphocyte
DOSE/DURATION           : 500 ug/L
REFERENCE :
   DRFUD4 Drugs of the Future.  (J.R. Prous, S.A., Apartado de Correos 540,
   08080 Barcelona, Spain) V.1-    1975/76-  Volume(issue)/page/year:
   7,520,1982
 
TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Human Lung
DOSE/DURATION           : 500 ug/L
REFERENCE :
   DRFUD4 Drugs of the Future.  (J.R. Prous, S.A., Apartado de Correos 540,
   08080 Barcelona, Spain) V.1-    1975/76-  Volume(issue)/page/year:
   7,520,1982
 
TYPE OF TEST            : Mutation in mammalian somatic cells
TEST SYSTEM             : Rodent - mouse Lymphocyte
DOSE/DURATION           : 150 ug/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 312,85,1994
 
TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Rodent - hamster Ovary
DOSE/DURATION           : 16 mg/L
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   86,180,1986
 
TYPE OF TEST            : Mutation in mammalian somatic cells
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 1 mg/L
REFERENCE :
   CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
   Southfield Road, Eynsham, Oxford OX8 1JJ, UK)  V.1-    1980-
   Volume(issue)/page/year: 6,1207,1985
 
TYPE OF TEST            : Mutation in mammalian somatic cells
TEST SYSTEM             : Rodent - hamster Ovary
DOSE/DURATION           : 4 mg/L
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   86,180,1986

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X3218
       No. of Facilities: 3 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 82 (estimated)
       No. of Female Employees: 14 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Negative: Cell transform.-C3H/10T1/2; V79 cell
   culture-gene mutation

 
                            *** END OF RECORD ***