Ethynodiol diacetate
Ethynodiol diacetate (CAS: 297-76-7), with the molecular formula C24H32O4 and a molecular weight of 384.51 g/mol, is a synthetic steroid ester. It is structurally related to steroid hormones. This compound finds applications in biochemical research, particularly in studies involving cell biology and cell signalling pathways. Its specific applications leverage its properties as a steroid derivative in laboratory settings.
- IUPAC
- 3β,17β-Diacetoxy-17α-ethynyl-4-estrene

Biochemical Research
Ethynodiol diacetate serves as a valuable reagent in biochemical and pharmacological research. It is employed in studies investigating steroid hormone mechanisms and their impact on cellular functions.
Cell Biology Studies
This compound is utilised in cell biology to explore cellular responses to steroid signalling. It can be used to modulate or investigate pathways affected by estrogenic compounds.
Hormone Research
As a synthetic derivative related to steroid hormones, Ethynodiol diacetate is used in research focused on endocrinology and hormone-dependent biological processes.
| Molecular weight | 384.51 |
|---|---|
| Empirical formula | C24H32O4 |


Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
- H351Suspected of causing cancer
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| 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 |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-40 |
| Safety statements (S) | 22-36 |
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 Ethynodiol diacetate used for?
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Ethynodiol diacetate is primarily used in biochemical and cell biology research, particularly in studies involving steroid hormone mechanisms and cellular responses to hormonal signalling.
What is the CAS number and chemical formula for Ethynodiol diacetate?
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The CAS number for Ethynodiol diacetate is 297-76-7 and its chemical formula is C24H32O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethynodiol diacetate as a research-grade chemical. We do not represent it as USP, BP, EP, or for pharmaceutical, nutraceutical, or food use. Please refer to the Certificate of Analysis for specific purity details.
How should Ethynodiol diacetate be handled safely?
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Ethynodiol diacetate is harmful if swallowed, in contact with skin, or if inhaled (H302, H312, H332), and is suspected of causing cancer (H351). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator. Avoid dust formation and ensure adequate ventilation.
How is Ethynodiol diacetate packed and shipped?
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Ethynodiol diacetate is carefully packed according to industry standards for safe transportation. TSS is a specialist global supplier and exporter, ensuring compliance with all relevant shipping regulations.
How can I request a quote or sample for Ethynodiol diacetate?
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To request a quote or a sample of Ethynodiol diacetate, please contact our sales department through the website or by phone. Our team will be pleased to assist you.
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