*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : NJ8999500 CHEMICAL NAME : Immunoglobulin G 1 (mouse monoclonal H65-RTA anti-human antigen CD5 heavy chain), disulfide with mouse monoclonal H65-rta light chain, dimer, disulfide with ricin (castor oil plant A-chain protein moiety) CAS REGISTRY NUMBER : 141483-72-9 LAST UPDATED : 199603 DATA ITEMS CITED : 3 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * H65-RTA * Monoclonal antibody (antitrombotic) * Orthzyme CD5plus * Zolimomab Aritox *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 60 mg/kg TOXIC EFFECTS : Cardiac - other changes Kidney, Ureter, Bladder - other changes Nutritional and Gross Metabolic - weight loss or decreased weight gain REFERENCE : FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 26,75,1995 ** OTHER MULTIPLE DOSE TOXICITY DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 7 mg/kg/14D-I TOXIC EFFECTS : Endocrine - changes in thymus weight Blood - changes in platelet count Biochemical - Metabolism (Intermediary) - other proteins REFERENCE : FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 26,75,1995 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Primate - monkey DOSE/DURATION : 2800 ug/kg/14D-I TOXIC EFFECTS : Blood - pigmented or nucleated red blood cells Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Metabolism (Intermediary) - other proteins REFERENCE : FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 26,75,1995 *** END OF RECORD ***