5α-Androstan-3β-ol-16-one
5α-Androstan-3β-ol-16-one (CAS: 571-51-7) is a steroid hormone with the molecular formula C19H30O2 and a molecular weight of 290.44 g/mol. As a biologically active androgen, it plays roles in cellular processes, signalling pathways, and hormonal functions. This compound is valuable in research settings, particularly within cell biology and neuroscience, for investigating steroid hormone mechanisms.
- IUPAC
- 3β-Hydroxy-5α-androstan-16-one,Heard′s ketone
- Synonyms
- 3β-Hydroxy-5α-androstan-16-one,Heard′s ketone

Cell Biology Research
Utilised in laboratory settings to study cellular responses and mechanisms related to steroid hormones and androgen activity.
Hormonal Studies
Serves as a research tool for investigating the complex roles of androgens and other steroid hormones in physiological processes.
Neuroscience Research
Employed in studies focusing on cell signalling pathways within the nervous system that are influenced by steroid hormones.
Biochemical Assays
Used as a standard or reagent in biochemical assays requiring a specific androgenic compound for analysis.
| Molecular weight | 290.44 |
|---|---|
| Empirical formula | C19H30O2 |
| Assay | ≥98% |
| 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 | 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 5α-Androstan-3β-ol-16-one used for?
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5α-Androstan-3β-ol-16-one is primarily used in research for cell biology, cell signalling, neuroscience, and hormonal studies, particularly concerning androgenic and steroid hormone activity.
What are the CAS number and formula for 5α-Androstan-3β-ol-16-one?
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The CAS number is 571-51-7, and the empirical formula is C19H30O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5α-Androstan-3β-ol-16-one with an assay of ≥98%. This product is intended for research and technical use and is not represented as USP, BP, or EP grade.
How should 5α-Androstan-3β-one be handled?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. This compound is classified under WGK Germany 3, indicating it is hazardous.
Is 5α-Androstan-3β-ol-16-one a controlled substance?
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Yes, this compound is regulated under CDSA and is not available from Canada.
How can I request a sample or quote?
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Please contact our sales team via the website or direct email to request a sample or a quote for 5α-Androstan-3β-ol-16-one.
Is this product available for export?
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While Tech Serve Solutions is a global supplier, export of this regulated substance is subject to specific controls and availability, particularly due to its CDSA status.
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