*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : AY6750000
CHEMICAL NAME           : Alanine,
                          3-(4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenyl)-, L-
CAS REGISTRY NUMBER     : 6893-02-3
OTHER CAS REGISTRY NOS. : 7013-53-8
                          57164-27-9
BEILSTEIN REFERENCE NO. : 2710227
REFERENCE               : 4-14-00-02373 (Beilstein Handbook Reference)
LAST UPDATED            : 199709
DATA ITEMS CITED        : 13
MOLECULAR FORMULA       : C15-H12-I3-N-O4
MOLECULAR WEIGHT        : 650.98
WISWESSER LINE NOTATION : QVYZ1R CI EI DOR DQ CI
COMPOUND DESCRIPTOR     : Drug
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * L-3-(4-(4-Hydroxy-3-iodophenoxy)-3,5-diiodophenyl)alanine
   * O-(4-Hydroxy-3-iodophenyl)-3,5-diiodo-L-tyrosine
   * 4-(3-Iodo-4-hydroxyphenoxy)-3,5-diiodophenylalanine
   * Liothyronin
   * Liothyronine
   * L-Liothyronine
   * T3
   * T3 (amino acid)
   * T3 (Hormone)
   * Thyronine, 3,3',5-triiodo-, L-
   * Tresitope
   * Triiodothyronine
   * Triiodo-L-thyronine
   * L-Triiodothyronine
   * 3,3',5-Triiodothyronine
   * 3,5,3'-Triiodothyronine
   * Triothyrone
   * L-Tyrosine, O-(4-hydroxy-3-iodophenyl)-3,5-diiodo-
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 7500 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   RPZHAW Roczniki Panstwowego Zakladu Higieny.  (Ars Polona, POB 1001, 00-068
   Warsaw 1, Poland) V.1-    1950-  Volume(issue)/page/year: 32,197,1981
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1800 ug/kg/30D-I
TOXIC EFFECTS :
   Cardiac - other changes
   Kidney, Ureter, Bladder - other changes in urine composition
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - transaminases
REFERENCE :
   TXCYAC Toxicology.  (Elsevier Scientific Pub. Ireland, Ltd., POB 85,
   Limerick, Ireland) V.1-    1973-  Volume(issue)/page/year: 52,89,1988
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 300 ug/kg/3D-I
TOXIC EFFECTS :
   Liver - other changes
   Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
   Nutritional and Gross Metabolic - body temperature increase
REFERENCE :
   TOLED5 Toxicology Letters.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1977-  Volume(issue)/page/year: 84,149,1996
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1500 ug/kg/6D-I
TOXIC EFFECTS :
   Endocrine - evidence of thyroid hyperfunction
   Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   CYTPDT Zhongyao Tongbao.  Bulletin of Chinese Materia Medica.  (China
   International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China)
   V.1-13, 1955-88 Suspended 1960-80(?). For Publisher information, see ZZZAE3
   Volume(issue)/page/year: 13(2),41,1988
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Primate - monkey
DOSE/DURATION           : 16500 ug/kg/30D-I
TOXIC EFFECTS :
   Liver - other changes
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - phosphatases
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - transaminases
REFERENCE :
   TXCYAC Toxicology.  (Elsevier Scientific Pub. Ireland, Ltd., POB 85,
   Limerick, Ireland) V.1-    1973-  Volume(issue)/page/year: 52,89,1988
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 1400 ug/kg
SEX/DURATION            : female 16-22 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
   Reproductive - Effects on Embryo or Fetus - other effects to embryo
REFERENCE :
   HMMRA2 Hormone and Metabolic Research.  (Georg Thieme Verlag, Postfach 732,
   D-7000 Stuttgart 1, Fed. Rep. Ger.)  V.1-    1969- Volume(issue)/page/year:
   10,425,1978
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 300 ug/kg
SEX/DURATION            : female 19-21 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
   Reproductive - Specific Developmental Abnormalities - urogenital system
REFERENCE :
   DPTHDL Developmental Pharmacology and Therapeutics.  (S. Karger Pub., Inc.,
   79 Fifth Ave., New York, NY 10003)  V.1-    1980-  Volume(issue)/page/year:
   12,162,1989
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 75 ug/kg
SEX/DURATION            : female 3 day(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Fertility - other measures of fertility
REFERENCE :
   BIREBV Biology of Reproduction.  (Soc. for the Study of Reproduction, 309 W.
   Clark St., Champaign, IL 61820)  V.1-    1969-  Volume(issue)/page/year:
   11,529,1974
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 480 ug/kg
SEX/DURATION            : female 10-13 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   84,115,1986
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 900 ug/kg
SEX/DURATION            : female 11-19 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   TJADAB Teratology, The International Journal of Abnormal Development. (Alan
   R. Liss, Inc., 41 E. 11th St., New York, NY 10003)  V.1-    1968-
   Volume(issue)/page/year: 25(2),65A,1982
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intramuscular
SPECIES OBSERVED        : Rodent - rabbit
DOSE                    : 250 ug/kg
SEX/DURATION            : female 25-26 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - other effects to embryo
REFERENCE :
   DPTHDL Developmental Pharmacology and Therapeutics.  (S. Karger Pub., Inc.,
   79 Fifth Ave., New York, NY 10003)  V.1-    1980-  Volume(issue)/page/year:
   9,115,1986
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Mammal - domestic
DOSE                    : 300 ug/kg
SEX/DURATION            : female 30 day(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Maternal Effects - other effects
   Endocrine - changes in growth hormone
REFERENCE :
   THGNBO Theriogenology.  (Geron-X, Inc., P.O. Box 1108, Los Altos, CA 94022)
   V.1-    1974-  Volume(issue)/page/year: 28,205,1987

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X9726
       No. of Facilities: 219 (estimated)
       No. of Industries: 2
       No. of Occupations: 5
       No. of Employees: 2518 (estimated)
       No. of Female Employees: 1886 (estimated)

 
                            *** END OF RECORD ***