*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : MU2450000
CHEMICAL NAME : Hydantoin, 3-ethyl-5-phenyl-
CAS REGISTRY NUMBER : 86-35-1
BEILSTEIN REFERENCE NO. : 0188272
REFERENCE : 5-24-08-00005 (Beilstein Handbook Reference)
LAST UPDATED : 199612
DATA ITEMS CITED : 11
MOLECULAR FORMULA : C11-H12-N2-O2
MOLECULAR WEIGHT : 204.25
WISWESSER LINE NOTATION : T5MVNV EHJ C2 ER
COMPOUND DESCRIPTOR : Drug
Reproductive Effector
SYNONYMS/TRADE NAMES :
* Ethotoin
* 1-Ethyl-2,5-dioxo-4-phenylimidazolidine
* 3-Ethyl-5-phenylhydantoin
* 3-Ethyl-5-phenylimidazolidin-2,4-dione
* Peganone
* Pegoanone
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo,
Japan) Volume(issue)/page/year: 6,117,1982
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 625 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo,
Japan) Volume(issue)/page/year: 6,117,1982
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo,
Japan) Volume(issue)/page/year: 6,117,1982
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1750 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo,
Japan) Volume(issue)/page/year: 6,117,1982
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 923 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo,
Japan) Volume(issue)/page/year: 6,117,1982
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1060 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo,
Japan) Volume(issue)/page/year: 6,117,1982
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 7200 mg/kg
SEX/DURATION : female 7-18 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - live birth index (measured after birth)
Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4
per # born alive)
Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight
gain)
REFERENCE :
TJADAB Teratology, The International Journal of Abnormal Development. (Alan
R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1968-
Volume(issue)/page/year: 43,279,1991
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 7200 mg/kg
SEX/DURATION : female 7-18 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - other neonatal measures or effects
REFERENCE :
TJADAB Teratology, The International Journal of Abnormal Development. (Alan
R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1968-
Volume(issue)/page/year: 43,279,1991
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE : 1194 mg/kg
SEX/DURATION : female 8-10 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - craniofacial
(including nose and tongue)
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
64,271,1982
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE : 858 mg/kg
SEX/DURATION : female 8-10 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
64,271,1982
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Rodent - mouse
DOSE : 1195 mg/kg
SEX/DURATION : female 8-10 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
Reproductive - Specific Developmental Abnormalities - cardiovascular
(circulatory) system
REFERENCE :
FEPRA7 Federation Proceedings, Federation of American Societies for
Experimental Biology. (Bethesda, MD) V.1-46, 1942-87.
Volume(issue)/page/year: 38,438,1979
*** END OF RECORD ***