Ethinylestradiol

Basic Information

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CAS Number

57-63-6

Molecular Formula

C20H24O2

Molecular Weight

286.42 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Nitriles

Basic Physical Properties

Melting Point

181.0 to 185.0 deg-C

Boiling Point

378°C (rough estimate)

Flash Point

9℃

Solubility

ethanol: 50 mg/mL, clear, slightly yellow

Refractive Index

-30 ° (C=0.4, Pyridine)

Specific Rotation

-26° - -32° (c=0.4, Pyridine)

SMILES

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C[C@@]12CC[C@H]3[C@@H](CCc4cc(O)ccc34)[C@@H]2CC[C@@]1(O)C#C

InChI

InChI=1S/C19H26O2/c1-18-9-7-15-14-6-4-13(20)11-12(14)3-5-16(15)17(18)8-10-19(18,2)21/h4,6,11,15-17,20-21H,3,5,7-10H2,1-2H3/t15-,16-,17+,18+,19+/m1/s1

InChIKey

JXQJDYXWHSVOEF-GFEQUFNTSA-N

LogP

3.9993000000000025

Topological Polar Surface Area

40.46 Å²

Hydrogen Bond Donor/Acceptor

2 / 2

Complexity

505

Safety Information

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Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H350 May cause cancer
Carcinogenicity

Synonyms & References

English

Ethinylestradiol
17a-ethynyl-1,3,5(10)-estratriene-3,17b-diol
17alpha-ethynyl-3,17-dihydroxy-delta-(sup1,3,5)-estratriene
eticyclin
eticyclol
etinestrol
etinestryl
feminone
ginestrene
inestra
linoral
lynoral
menolyn
neo-estrone
novestrol
oradiol
orestralyn
palonyl
perovex
primogyn
primogyn c(or m)
progynon c
roldiol
spanestrin
ylestrol
17alpha-Ethynyl-3-hydroxy-1,3,5(10)-estratrien-17beta-ol
17-ethynyl estradiol
19-nor-17alpha-pregna-1,3,5(10)-trien-20-yne-3,17,diol
19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17alpha)-
3,17beta-dihydroxy-17alpha-ethynyl-1,3,5(10)-estratriene
amenoron

MDL Number

MFCD00003690

Customs Code

29372390

FAQ

What is Ethinylestradiol (CAS: 57-63-6)?

Ethinylestradiol (CAS: 57-63-6) is a synthetic estrogen compound used primarily in pharmaceuticals. Its chemical formula is C20H24O2, and it is a white to off-white crystalline powder with a melting point around 184°C. Ethinylestradiol is known for its high potency and stability, making it a key component in hormonal contraceptives.

What are the main uses of Ethinylestradiol (CAS: 57-63-6)?

Ethinylestradiol (CAS: 57-63-6) is mainly used in birth control pills as a synthetic estrogen. It is also found in hormone replacement therapies and other pharmaceutical products. Due to its chemical properties, it has applications in research and development for hormonal studies and drug formulations.

Is Ethinylestradiol (CAS: 57-63-6) safe?

Ethinylestradiol (CAS: 57-63-6) is generally safe when used as directed in medical treatments. However, it can have side effects and requires proper handling. Safety standards emphasize avoiding prolonged exposure and following guidelines for use in pharmaceuticals to ensure minimal risk to users.

How should Ethinylestradiol (CAS: 57-63-6) be stored?

Ethinylestradiol (CAS: 57-63-6) should be stored in a cool, dry, and dark place, typically at 20°C. It is important to keep it in a sealed container to prevent moisture and contamination. Proper storage ensures its stability and effectiveness for pharmaceutical use.