*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : BA4055000 CHEMICAL NAME : Allothreonine, L- CAS REGISTRY NUMBER : 28954-12-3 BEILSTEIN REFERENCE NO. : 1721645 REFERENCE : 4-04-00-03170 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C4-H9-N-O3 MOLECULAR WEIGHT : 119.14 WISWESSER LINE NOTATION : QVYZYQ1 -L,ALLO SYNONYMS/TRADE NAMES : * allo-L-Threonine * L-Allothreonine *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 5242 mg/kg TOXIC EFFECTS : Behavioral - muscle contraction or spasticity Lungs, Thorax, or Respiration - dyspnea Nutritional and Gross Metabolic - body temperature decrease REFERENCE : ABBIA4 Archives of Biochemistry and Biophysics. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.31- 1951- Volume(issue)/page/year: 58,253,1955 *** END OF RECORD ***