17α-Ethynylestradiol
17α-Ethynylestradiol (CAS: 57-63-6), with the molecular formula C20H24O2 and a molecular weight of 296.40 g/mol, is a synthetic estrogen derivative. It is recognised for its potent oestrogenic activity and finds primary application in pharmaceutical research and development. This compound is crucial for studies involving hormonal regulation and reproductive biology.
- IUPAC
- 17α-Ethynyl-1,3,5(10)-estratriene-3,17β-diol,19-Nor-1,3,5(10),17α-pregnatrien-20-yne-3,17-diol,Ethinylestradiol
- Synonyms
- 17α-Ethynyl-1,3,5(10)-estratriene-3,17β-diol19-Nor-1,3,5(10),17α-pregnatrien-20-yne-3,17-diolEthinylestradiol
Pharmaceutical Research
17α-Ethynylestradiol serves as a key intermediate and research chemical in the development of pharmaceutical compounds, particularly those related to hormonal therapies and contraception.
Endocrinology Studies
This synthetic estrogen is utilized in scientific research to investigate endocrine system functions, hormone receptor interactions, and the physiological effects of estrogen.
Biochemical Investigations
Its specific biological activity makes it a valuable tool for biochemical assays and studies focusing on cellular responses to steroid hormones.
| Molecular weight | 296.40 |
|---|---|
| Empirical formula | C20H24O2 |
| Assay | ≥98% |
| Melting point | 182-183 °C(lit.) |
Hazard statements
- H302Harmful if swallowed
- H350May cause cancer
Precautionary statements
- P201Obtain special instructions before use
- P308IF exposed or concerned
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 45-22 |
| Safety statements (S) | 53-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 17α-Ethynylestradiol used for?
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17α-Ethynylestradiol is primarily used in pharmaceutical research and development, particularly for creating hormonal therapies and in endocrinology studies to investigate endocrine system functions and hormone receptor interactions.
What is the CAS number and formula for 17α-Ethynylestradiol?
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The CAS number for 17α-Ethynylestradiol is 57-63-6, and its molecular formula is C20H24O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 17α-Ethynylestradiol with an assay of ≥98%. We do not represent this product as USP, BP, or EP grade. For specific batch information, please inquire.
How should 17α-Ethynylestradiol be handled safely?
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17α-Ethynylestradiol is classified as dangerous. It is harmful if swallowed (H302) and may cause cancer (H350). Handling requires appropriate personal protective equipment, including eyeshields, chemical-resistant gloves, and respiratory protection (e.g., N100 respirator). Always consult the Safety Data Sheet (SDS) before use and follow P201 and P308 + P313 precautionary statements.
Is 17α-Ethynylestradiol a controlled substance?
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17α-Ethynylestradiol is classified as a Class 3 controlled substance in some jurisdictions due to its potent hormonal activity. Please check your local regulations regarding its possession and use.
How is 17α-Ethynylestradiol packed, shipped, and exported?
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17α-Ethynylestradiol is packed securely according to international shipping regulations. As a global supplier and exporter, Tech Serve Solutions ensures compliance with all relevant transport and customs requirements for chemical shipments.
How can I request a sample or quote for 17α-Ethynylestradiol?
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To request a sample or a quote for 17α-Ethynylestradiol, please contact our sales team through the website or by phone. Provide your specific requirements, and we will assist you promptly.
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