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Catalog Number:
38715
CAS Number:
57-63-6
Ethynylestradiol
Purity:
≥ 98% (Assay by titration , HPLC)
Synonym(s):
17α-Ethynyl-1,3,5(10)-estratriene-3,17β-diol, 19-Nor-1,3,5(10),17α-pregnatrien-20-yne-3,17-diol
Hazmat
Documents
$79.22 /1G
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Product Information

Ethynylestradiol is a synthetic estrogen widely recognized for its pivotal role in hormonal therapies and contraceptive formulations. This compound is a key ingredient in various oral contraceptives, providing effective regulation of the menstrual cycle and prevention of ovulation. Its unique structure allows for enhanced bioavailability and potency compared to natural estrogens, making it a preferred choice in both pharmaceutical and research settings. Ethynylestradiol is also utilized in hormone replacement therapy, particularly for postmenopausal women, helping to alleviate symptoms associated with estrogen deficiency.

In addition to its applications in contraception and hormone therapy, Ethynylestradiol is valuable in the study of endocrine disruptors and reproductive health. Researchers leverage its properties to investigate the effects of synthetic hormones on human health and the environment. Its ability to modulate various biological pathways makes it a critical compound in pharmacological research, contributing to the development of new therapeutic strategies. With its established efficacy and versatility, Ethynylestradiol continues to be a significant compound in both clinical and research applications.

Synonyms
17α-Ethynyl-1,3,5(10)-estratriene-3,17β-diol, 19-Nor-1,3,5(10),17α-pregnatrien-20-yne-3,17-diol
CAS Number
57-63-6
Purity
≥ 98% (Assay by titration , HPLC)
Molecular Formula
C20H24O2
Molecular Weight
296.41
MDL Number
MFCD00003690
PubChem ID
3285
Melting Point
181 - 185 ?C
Appearance
White to light yellow crystalline powder
Optical Rotation
[α]20D = -28 to -32 ° (C = 0.4 in Pyridene)
Conditions
Store at RT
Warnings
IMDG same
General Information
Synonyms
17α-Ethynyl-1,3,5(10)-estratriene-3,17β-diol, 19-Nor-1,3,5(10),17α-pregnatrien-20-yne-3,17-diol
CAS Number
57-63-6
Purity
≥ 98% (Assay by titration , HPLC)
Molecular Formula
C20H24O2
Molecular Weight
296.41
MDL Number
MFCD00003690
PubChem ID
3285
Melting Point
181 - 185 ?C
Appearance
White to light yellow crystalline powder
Optical Rotation
[α]20D = -28 to -32 ° (C = 0.4 in Pyridene)
Conditions
Store at RT
Warnings
IMDG same
Properties
Additional property information coming soon!
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Safety and Regulations
Hazmat
Yes
Antibiotic
No
DEA-regulated
No
Warnings
IMDG same
Applications

Ethynylestradiol is widely utilized in research focused on:

  • Contraceptive Formulations: This compound is a key ingredient in many oral contraceptives, providing effective pregnancy prevention through hormonal regulation.
  • Hormone Replacement Therapy: It is used in hormone replacement therapies to alleviate symptoms of menopause, helping to improve the quality of life for many women.
  • Endocrine Disruption Studies: Researchers use it to study the effects of endocrine disruptors on human health and the environment, providing insights into hormonal balance and reproductive health.
  • Pharmaceutical Development: Ethynylestradiol is crucial in developing new medications targeting hormonal imbalances, offering potential treatments for various conditions.
  • Veterinary Medicine: It is also applied in veterinary practices for reproductive management in livestock, enhancing breeding programs and animal health.

Citations