*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : NM2250000 CHEMICAL NAME : 3H-Indolium, 2-(3-(3,3-dimethyl-1-(3-sulfopropyl)-1H-indolin-2-yli dene)-1-propenyl)-3,3- dimethyl-1-(3-sulfopropyl)-, hydroxide, inner salt, compd. with pyridine CAS REGISTRY NUMBER : 40387-89-1 LAST UPDATED : 199112 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C34-H40-N3-O6-S2 MOLECULAR WEIGHT : 650.89 SYNONYMS/TRADE NAMES : * NK 1639 *** 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 : 92 mg/kg TOXIC EFFECTS : Blood - other changes REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 44,225,1978 *** END OF RECORD ***