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Ethynyl estradiol cas no:57-63-6

Synonyms: 19-Nor-17a-pregna-1,3,5(10)-trien-20-yne-3,17-diol(6CI,7CI,8CI);17-Ethinyl-3,17-estradiol;17-Ethinylestradiol;17-Ethynylestra-1,3,5(10)-triene-3,17b-diol;17a-Ethinyl-3,17-dihydroxy-D1,3,5-estratriene;17a-Ethynylestra-3,17b-diol;17a-Ethynylestradiol;19-Nor-17a-pregna-1,3,5(10)-trien-20-yne-3,17b-diol;Amenoron;Chee-O-Gen;Esteed;Estoral;Estorals;Estradiol, 17-ethynyl-;Ethidol;Ethinoral;Ethynylestradiol;Ethynyloestradiol;Eticyclin;Eticyclol;Follicoral;Ginestrene;Linoral;Lynoral;Microfollin;NSC 10973;Oradiol;Orestralyn;Primogyn C;Progynon C;

Identification
NameEthynyl estradiol
CAS57-63-6
Synonyms19-Nor-17a-pregna-1,3,5(10)-trien-20-yne-3,17-diol(6CI,7CI,8CI);17-Ethinyl-3,17-estradiol;17-Ethinylestradiol;17-Ethynylestra-1,3,5(10)-triene-3,17b-diol;17a-Ethinyl-3,17-dihydroxy-D1,3,5-estratriene;17a-Ethynylestra-3,17b-diol;17a-Ethynylestradiol;19-Nor-17a-pregna-1,3,5(10)-trien-20-yne-3,17b-diol;Amenoron;Chee-O-Gen;Esteed;Estoral;Estorals;Estradiol, 17-ethynyl-;Ethidol;Ethinoral;Ethynylestradiol;Ethynyloestradiol;Eticyclin;Eticyclol;Follicoral;Ginestrene;Linoral;Lynoral;Microfollin;NSC 10973;Oradiol;Orestralyn;Primogyn C;Progynon C;
EINECS(EC#)200-342-2
Molecular FormulaC20H24O2
Molecular Weight296.40336
Chemical Properties
AppearanceOff-White to Light-Yellow Crystalline Powder
refractive index-30 ° (C=0.4, Pyridine)
storage tempKeep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Safety Data

Hazard T:Toxic
Risk R45;R22
Safety Hazard Codes: T
Risk Statements: 45-22
R45:May cause cancer
R22:Harmful if swallowed
Safety Statements: 53-36/37/39-45
S53:Avoid exposure - obtain special instruction before use
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible.
WGK Germany: 3
RTECS: RC8925000
Confirmed carcinogen with experimental carcinogenic, tumorigenic, and neoplastigenic data. Poison by intraperitoneal route. Moderately toxic by ingestion. Human systemic effects by ingestion: glandular effects. An experimental teratogen. Experimental reproductive effects. Human mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 250mg/kg (250mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: ATAXIA

KIDNEY, URETER, AND BLADDER: OTHER CHANGES
Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 18, Pg. 2583, 1990.
mouse LD50 oral 950mg/kg (950mg/kg) Drugs in Japan Vol. -, Pg. 222, 1995.
mouse LD50 subcutaneous > 3gm/kg (3000mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BLOOD: HEMORRHAGE
Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 18, Pg. 2583, 1990.
rat LD50 intraperitoneal 471mg/kg (471mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: ATAXIA

KIDNEY, URETER, AND BLADDER: OTHER CHANGES
Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 18, Pg. 2583, 1990.
rat LD50 oral 960mg/kg (960mg/kg) Drugs in Japan Vol. -, Pg. 222, 1995.
rat LD50 subcutaneous > 2gm/kg (2000mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BLOOD: HEMORRHAGE
Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 18, Pg. 2583, 1990.
women TDLo oral 21mg/kg/21D-I (21mg/kg) LUNGS, THORAX, OR RESPIRATION: DYSPNEA

GASTROINTESTINAL: NAUSEA OR VOMITING
Lancet. Vol. 1, Pg. 1479, 1973.

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