*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : YK0715000 CHEMICAL NAME : 3,5,9-Trioxo-4-phosphaheptacosan-1-aminium, 7-(acetyloxy)-4-hydroxy-N,N,N-trimethyl-, hydroxide, inner salt, 4-oxide, (R)- CAS REGISTRY NUMBER : 74389-69-8 LAST UPDATED : 199512 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C28-H58-N-O7-P MOLECULAR WEIGHT : 551.84 COMPOUND DESCRIPTOR : Mutagen SYNONYMS/TRADE NAMES : * Blood platelet-activating factor * C18-Paf * C18-Paf-acether * 1-O-Octadecyl-2-acetyl-sn-glyceryl-3-phosphorylcholine * PAF-acether * Platelet-activating factor * Platelet activating factor-acether * Ro 14-8161 * 1-O-Stearoyl-2-acetyl-sn-glyceryl-3-phosphorylcholine *** 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 : 37 ug/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 243,378,1987 ** MUTATION DATA ** TYPE OF TEST : Morphological transformation TEST SYSTEM : Rodent - rat Embryo DOSE/DURATION : 10 nmol/L REFERENCE : CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980- Volume(issue)/page/year: 14,1289,1993 *** END OF RECORD ***