5α-Androstane
5α-Androstane (CAS: 438-22-2) is a steroid compound with the molecular formula C19H32 and a molecular weight of 260.46 g/mol. It is a saturated steroid nucleus and serves as a fundamental building block in steroid chemistry. Primarily utilised in research settings, it is a key intermediate and reference standard for the synthesis and analysis of various biologically active steroid derivatives, including androgens and other related hormones. Supplied by Tech Serve Solutions for laboratory and research applications.
- IUPAC
- Etioallocholane
- Synonyms
- Etioallocholane

Steroid Synthesis Intermediate
5α-Androstane serves as a crucial intermediate in the multi-step synthesis of complex steroid molecules. Its structure provides a foundational scaffold for building and modifying steroid hormones and their analogues.
Reference Standard
Utilised as an analytical reference standard in chromatography and spectroscopy for the identification and quantification of related steroid compounds in research and quality control laboratories.
Biochemical Research
Applied in biochemical studies investigating steroid metabolism, signalling pathways, and the structure-activity relationships of androgens and other steroid hormones.
| Molecular weight | 260.46 |
|---|---|
| Empirical formula | C19H32 |
| 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.
| Gene Information | human ... UGT1A4(54657) |
|---|
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-Androstane used for?
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5α-Androstane is used as an intermediate in the synthesis of steroid compounds and as a reference standard in biochemical and analytical research.
What is the CAS number and molecular formula for 5α-Androstane?
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The CAS number is 438-22-2 and the molecular formula is C19H32.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5α-Androstane for research and laboratory use. The specific assay and purity details are available upon request. We do not represent this product as USP, BP, or EP grade.
How should 5α-Androstane be handled safely?
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Handle 5α-Androstane with appropriate personal protective equipment including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. It has a WGK Germany rating of 3, indicating a high hazard level.
Is 5α-Androstane a controlled substance?
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The provided data does not indicate that 5α-Androstane is a controlled substance. However, users should always verify local regulations.
How is 5α-Androstane packed and shipped?
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5α-Androstane is carefully packed to ensure stability during transit and is exported globally by Tech Serve Solutions in compliance with international shipping regulations for chemical compounds.
How can I request a sample or quote for 5α-Androstane?
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To request a sample or quote for 5α-Androstane, please contact our sales team via the website or direct email, providing your specific requirements.
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