17β-Hydroxy-17-methylandrosta-1,4-dien-3-one
17β-Hydroxy-17-methylandrosta-1,4-dien-3-one (CAS 72-63-9), with a molecular formula of C20H28O2 and a molecular weight of 300.44 g/mol, is a synthetic anabolic androgenic steroid. It is primarily utilised as a chiral building block in complex organic synthesis and asymmetric synthesis. This compound is available from Tech Serve Solutions for research and development purposes.
- IUPAC
- 1-Dehydro-17α-methyltestosterone,Dianabol,Methandienone,Methandrostenolone
- Synonyms
- 1-Dehydro-17α-methyltestosteroneDianabolMethandienoneMethandrostenolone

Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of complex organic molecules. Its defined stereochemistry makes it valuable in multi-step synthetic pathways.
Chiral Building Block
Utilised as a chiral building block in asymmetric synthesis, allowing for the stereoselective construction of complex target structures.
Research and Development
Employed in laboratory settings for chemical research and the development of new chemical entities and synthetic methodologies.
| Molecular weight | 300.44 |
|---|---|
| Empirical formula | C20H28O2 |
| Assay | ≥99.0% (HPLC) |
| Optical activity | [α]20/D −0.5±0.5°, c = 1.1% in chloroform |
| Storage temperature | 2-8°C |
| Melting point | 164-166 °C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Drug Control | USDEA Schedule IIIN; regulated under CDSA - not available from Canada |
|---|
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 17β-Hydroxy-17-methylandrosta-1,4-dien-3-one used for?
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17β-Hydroxy-17-methylandrosta-1,4-dien-3-one (CAS 72-63-9) is primarily used as a chiral building block in asymmetric synthesis and for general chemical synthesis in research and development.
What is the CAS number and formula for 17β-Hydroxy-17-methylandrosta-1,4-dien-3-one?
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The CAS number is 72-63-9, and the empirical formula is C20H28O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with a minimum purity of ≥99.0% (HPLC). It is supplied for research purposes and is not represented as USP, BP, EP, or other pharmacopoeia grades.
How should 17β-Hydroxy-17-methylandrosta-1,4-dien-3-one be handled?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. It should be stored at 2-8°C.
Is this compound controlled?
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Yes, this compound is controlled under US DEA Schedule III and regulated under CDSA. It is not available for export from Canada.
How can I request a quote or sample?
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To request a quote or sample, please contact our sales department through the website or by phone, referencing the product name and CAS number.
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