*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UV1151600 CHEMICAL NAME : Pyrido(2,3-b)pyrazine CAS REGISTRY NUMBER : 322-46-3 BEILSTEIN REFERENCE NO. : 0111634 REFERENCE : 4-26-00-00168 (Beilstein Handbook Reference) LAST UPDATED : 199709 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C7-H5-N3 MOLECULAR WEIGHT : 131.15 WISWESSER LINE NOTATION : T66 BN EN JNJ SYNONYMS/TRADE NAMES : * 5-Azaquinoxaline * 1,4,5-Triazanaphthalene *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 180 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#03516 *** END OF RECORD ***