Etonogestrel
Etonogestrel (CAS: 54048-10-1; Formula: C22H28O2; MW: 324.46) is a synthetic progestogen with a potent affinity for progesterone receptors. It functions as a steroidal hormone analogue, widely recognised for its use in long-acting contraceptive implants and vaginal rings. This compound is supplied by TSS as a high-purity powder, suitable for research and development in endocrinology and pharmaceutical sciences.
- IUPAC
- 3-Keto-desogestrel,3-Oxo-desogestrel
- Synonyms
- 3-Keto-desogestrel3-Oxo-desogestrel

Long-Acting Contraception
Etonogestrel is the active metabolite of desogestrel and is a key component in various hormonal contraceptive devices. Its slow release provides effective contraception for extended periods, minimising the need for daily administration.
Hormone Replacement Therapy
As a potent progestogen, Etonogestrel can be investigated for applications in hormone replacement therapy (HRT) regimens. Its pharmacological profile makes it a subject of interest in managing gynaecological conditions related to hormone deficiencies.
Endocrinological Research
This synthetic steroid is valuable for research into the mechanisms of steroid hormone action, receptor binding, and endocrine signalling pathways. It serves as a critical tool for scientists studying reproductive endocrinology and related fields.
| Molecular weight | 324.46 |
|---|---|
| Empirical formula | C22H28O2 |
| Assay | ≥98% (HPLC) |
| Form | powder |
| Colour | white to beige |
| Solubility | DMSO: >5 mg/mL |
| Optical activity | [α]/D +80 to +90°, c = 1 (CHCl3) |
| Storage temperature | −20°C |

Hazard statements
- H351Suspected of causing cancer
- H360May damage fertility or the unborn child
Precautionary statements
- P201Obtain special instructions before use
- P281Use personal protective equipment as required
- P308IF exposed or concerned
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Risk statements (R) | 60-40 |
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 Etonogestrel used for?
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Etonogestrel is primarily used in long-acting hormonal contraceptives, such as implants and vaginal rings. It is also investigated for hormone replacement therapy and serves as a valuable tool in endocrinological research due to its progestogenic activity.
What is the CAS number and chemical formula for Etonogestrel?
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The CAS number for Etonogestrel is 54048-10-1, and its chemical formula is C22H28O2.
What grade and purity does Tech Serve Solutions supply for Etonogestrel?
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Tech Serve Solutions supplies Etonogestrel with a purity of ≥98% (HPLC). We do not represent this product as USP, BP, EP, or other pharmacopoeial grades unless explicitly stated in the product documentation.
How should Etonogestrel be handled safely?
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Etonogestrel is classified as a Danger hazard. It is suspected of causing cancer (H351) and may damage fertility or the unborn child (H360). Always use appropriate personal protective equipment, ensure good ventilation, and follow safe laboratory practices. Consult the Safety Data Sheet (SDS) before handling.
How is Etonogestrel packed, shipped, and exported by TSS?
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Etonogestrel is typically supplied as a powder and stored at -20°C. As a global supplier, Tech Serve Solutions has extensive experience in packing and exporting fine chemicals worldwide, adhering to all relevant international shipping regulations.
How can I request a sample or quote for Etonogestrel?
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To request a sample or a quotation for Etonogestrel, please contact our sales team through the website or by calling our dedicated order line. Please specify the quantity required and your delivery location.
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