*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UW7681420 CHEMICAL NAME : Pyrimido(1,2-a)benzimidazol-5-ium, 2,4,10-trimethyl-, perchlorate CAS REGISTRY NUMBER : 57667-63-7 LAST UPDATED : 198803 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C13-H14-N3.Cl-O4 MOLECULAR WEIGHT : 311.75 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 2,4,10-Trimethylpyrimido(1,2-a)benzimidazole perchlorate * 2,4,10-Trimethylpyrimido(1,2-a)benzimidazol-5-ium perchlorate *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 56 mg/kg TOXIC EFFECTS : Sense Organs and Special Senses (Eye) - effect, not otherwise specified Behavioral - muscle contraction or spasticity Lungs, Thorax, or Respiration - dyspnea REFERENCE : FRZKAP Farmatsevtichnii Zhurnal (Kiev). (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.3- 1930- Volume(issue)/page/year: 26(5),20,1971 *** END OF RECORD ***