*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : RA8460000
CHEMICAL NAME : 2,4,6,8-Nonatetraenoic acid,
3,7-dimethyl-9-(4-methoxy-2,3,6-trimethylphenyl)-,
(all-E)-
CAS REGISTRY NUMBER : 55079-83-9
LAST UPDATED : 199801
DATA ITEMS CITED : 13
MOLECULAR FORMULA : C21-H26-O3
MOLECULAR WEIGHT : 326.47
COMPOUND DESCRIPTOR : Drug
Reproductive Effector
Human
SYNONYMS/TRADE NAMES :
* Acitretin
* all-trans-3,7-Dimethyl-9-(4-methoxy-2,3,6-trimethylphenyl)-2,4,6,8-nonat
etraenoic acid
* Etretin
* all-trans-Etretin
* (all-E)-9-(4-Methoxy-2,3,6-trimethylphenyl)-3,7-dimethyl-2,4,6,8-nonatet
raenoic acid
* Neotigason
* Retinoid etretin
* Ro 10-1670
* Soriatane
*** 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 : >4 gm/kg
TOXIC EFFECTS :
Gastrointestinal - hypermotility, diarrhea
REFERENCE :
YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu
Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972-
Volume(issue)/page/year: 10,5033,1982
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 700 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
USXXAM United States Patent Document. (U.S. Patent Office, Box 9,
Washington, DC 20231) Volume(issue)/page/year: #4105681
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Human - woman
DOSE : 68 mg/kg
SEX/DURATION : female 10-78 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - eye/ear
Reproductive - Specific Developmental Abnormalities - craniofacial
(including nose and tongue)
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
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: 52,215,1995
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 300 mg/kg
SEX/DURATION : female 7-16 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - craniofacial
(including nose and tongue)
Reproductive - Effects on Newborn - weaning or lactation index (e.g., #
alive at weaning per # alive at day 4)
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000
Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year:
58,50,1985
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 150 mg/kg
SEX/DURATION : female 7-16 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4
per # born alive)
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000
Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year:
58,50,1985
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 150 mg/kg
SEX/DURATION : female 7-16 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4
per # born alive)
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000
Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year:
58,50,1985
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 300 mg/kg
SEX/DURATION : female 7-16 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - weaning or lactation index (e.g., #
alive at weaning per # alive at day 4)
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000
Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year:
58,50,1985
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE : 30 mg/kg
SEX/DURATION : female 7-16 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - craniofacial
(including nose and tongue)
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000
Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year:
58,50,1985
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE : 100 mg/kg
SEX/DURATION : female 7-16 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
resorbed implants per total number of implants)
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000
Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year:
58,50,1985
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE : 100 mg/kg
SEX/DURATION : female 11 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - craniofacial
(including nose and tongue)
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
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: 41,707,1990
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE : 100 mg/kg
SEX/DURATION : female 11 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - other developmental
abnormalities
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: 34,417,1986
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE : 26 mg/kg
SEX/DURATION : female 7-19 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - craniofacial
(including nose and tongue)
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000
Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year:
58,50,1985
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE : 2600 ug/kg
SEX/DURATION : female 7-19 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000
Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year:
58,50,1985
*** END OF RECORD ***