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Home> CAS DataBase Listed 5 > CAS 57-63-6
Identification of 57-63-6
  • Name:
  • Ethynyl estradiol (Related Reference)
  • EINECS:
  • 200-342-2
  • 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;
  • InChI:
  • InChI=1S/C20H24O2/c1-3-20(22)11-9-18-17-6-4-13-12-14(21)5-7-15(13)16(17)8-10-19(18,20)2/h1,5,7,12,16-18,21-22H,4,6,8-11H2,2H3/t16-,17-,18+,19+,20+/m1/s1
  • This structure is also available as a 2d Mol file
Safety Data of 57-63-6 Properties of 57-63-6
  • Appearance:
  • Off-White to Light-Yellow Crystalline Powder
  • Molecular Weight:
  • 296.40336
  • Density:
  • 1.21g/cm3
  • Boiling Point:
  • 457.2°C at 760mmHg
  • Melting Point:
  • 182-183℃
  • Flash Point:
  • 211.2°C
  • Storage Temperature:
  • Keep 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.
  • Refractive index:
  • -30 ° (C=0.4, Pyridine)
  • Solubility:
  • ethanol: 50 mg/mL, clear, slightly yellow
  • Stability:
  • No data.
  • Usage:
  • A metabolite of 17a-Ethynylestradiol
  • More>>

CAS No. 57-63-6 (Ethynyl estradiol )

  • CAS No:57-63-6
  • Molecular Weight: 296.40336
  • Molecular Formula: C20H24O2
Properties Safety and Handling MSDS NMR Spectrum Synthesis Route Precursor and Product
Ethynyl estradiolCAS NO.: 57-63-6
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Precursor and Product
References of Ethynyl estradiol cas 57-63-6

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.

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.

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