5β-Pregnan-3α-ol-20-one
5β-Pregnan-3α-ol-20-one (CAS 128-20-1), molecular formula C21H34O2, is a high-purity chemical supplied by Tech Serve Solutions for cell biology applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- 3α-Hydroxy-5β-pregnan-20-one,3α-Hydroxy-5β-tetrahydroprogesterone,Pregnanolone

| Molecular weight | 318.49 |
|---|---|
| Empirical formula | C21H34O2 |

Hazard statements
- H351Suspected of causing cancer
Precautionary statements
- P281Use personal protective equipment as required
| 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) | 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.
| Gene Information | rat ... Gabra2(29706) |
|---|
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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 5β-Pregnan-3α-ol-20-one?
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5β-Pregnan-3α-ol-20-one (CAS 128-20-1), molecular formula C21H34O2, is a high-purity chemical supplied by Tech Serve Solutions for cell biology applications, to USP, BP and EP standards.
What grades of 5β-Pregnan-3α-ol-20-one does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5β-Pregnan-3α-ol-20-one in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of 5β-Pregnan-3α-ol-20-one?
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5β-Pregnan-3α-ol-20-one has CAS number 128-20-1 and molecular formula C21H34O2. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for 5β-Pregnan-3α-ol-20-one?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of 5β-Pregnan-3α-ol-20-one ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should 5β-Pregnan-3α-ol-20-one be stored?
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Store 5β-Pregnan-3α-ol-20-one in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is 5β-Pregnan-3α-ol-20-one used for?
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5β-Pregnan-3α-ol-20-one is used in cell biology applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for 5β-Pregnan-3α-ol-20-one?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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