*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UO8925200 CHEMICAL NAME : Purine, 6-((1-methyl-4-nitroimidazol-5-yl)thio)-, and 17,21-dihydroxypregna-1,4-diene- 3,11,20-trione LAST UPDATED : 198912 DATA ITEMS CITED : 3 MOLECULAR FORMULA : C8-H6-N7-O2-S.C21-H30-O3 MOLECULAR WEIGHT : 594.78 COMPOUND DESCRIPTOR : Drug Reproductive Effector Human SYNONYMS/TRADE NAMES : * Azathioprine and prednisone * Prednisone and azathioprine *** HEALTH HAZARD DATA *** ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Human - woman DOSE : 882 mg/kg SEX/DURATION : female 1-30 week(s) after conception TOXIC EFFECTS : Reproductive - Specific Developmental Abnormalities - musculoskeletal system REFERENCE : OBGNAS Obstetrics and Gynecology. (Elsevier Science Pub. Co., Inc., 52 Vanderbilt Ave., New York, NY 10017) V.1- 1953- Volume(issue)/page/year: 58,247,1981 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Unreported SPECIES OBSERVED : Human - woman DOSE : 472 mg/kg SEX/DURATION : female 1-30 week(s) after conception TOXIC EFFECTS : Reproductive - Effects on Newborn - Apgar score (human only) Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive) Reproductive - Effects on Newborn - other neonatal measures or effects REFERENCE : AJOGAH American Journal of Obstetrics and Gynecology. (C.V. Mosby Co., 11830 Westline Industrial Dr., St. Louis, MO 63146) V.1- 1920- Volume(issue)/page/year: 111,1120,1971 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Unreported SPECIES OBSERVED : Human - woman DOSE : 472 mg/kg SEX/DURATION : female 1-30 week(s) after conception TOXIC EFFECTS : Reproductive - Specific Developmental Abnormalities - blood and lymphatic systems (including spleen and marrow) Reproductive - Specific Developmental Abnormalities - respiratory system REFERENCE : AJOGAH American Journal of Obstetrics and Gynecology. (C.V. Mosby Co., 11830 Westline Industrial Dr., St. Louis, MO 63146) V.1- 1920- Volume(issue)/page/year: 111,1120,1971 *** END OF RECORD ***