*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XF8887000 CHEMICAL NAME : Tetrodotoxin, O(sup 4)-methyl- CAS REGISTRY NUMBER : 7724-39-2 BEILSTEIN REFERENCE NO. : 4157437 LAST UPDATED : 199612 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C12-H19-N3-O8 MOLECULAR WEIGHT : 333.34 SYNONYMS/TRADE NAMES : * Methoxytetrodotoxin * 4-Methoxytetrodotoxin *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 12700 ug/kg TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - respiratory depression REFERENCE : JJPAAZ Japanese Journal of Pharmacology. (Japanese Pharmacological Soc., c/o Dept. of Pharmacology, Faculty of Medicine, Kyoto Univ., Sakyo-ku, Kyoto 606, Japan) V.1- 1951- Volume(issue)/page/year: 17,267,1967 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 322 ug/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : EJPHAZ European Journal of Pharmacology. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1967- Volume(issue)/page/year: 3,58,1968 *** END OF RECORD ***