11β-Hydroxytestosterone
11β-Hydroxytestosterone (CAS: 1816-85-9, Formula: C19H28O3) is a synthetic androgen and steroid hormone with a molecular weight of 304.42 g/mol. This light yellow crystalline compound is primarily utilised in biochemical research, particularly in studies involving cell signalling, hormone activity, and steroid metabolism. Its structural similarity to testosterone makes it a valuable tool for investigating androgen receptor interactions and related biological pathways.
- IUPAC
- 11β,17β-Dihydroxyandrost-4-en-3-one,4-Androstene-11β,17β-diol-3-one

Biochemical Research
Used as a research tool to study androgenic pathways and steroid hormone activity in biological systems. Its structure allows for investigations into receptor binding and downstream cellular effects.
Hormone Research
Investigates the role of steroid hormones and their metabolites in various physiological processes. Useful for understanding the enzymatic conversion and biological activity of androgens.
Cell Biology Studies
Employed in cell culture experiments to examine cellular responses to androgenic stimuli. Supports research in areas such as cell growth, differentiation, and signaling pathways.
| Molecular weight | 304.42 |
|---|---|
| Empirical formula | C19H28O3 |
| Form | crystalline |
| Colour | light yellow |

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
| 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) | 61-40 |
| Safety statements (S) | 22-36/37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Drug Control | USDEA Schedule III; Home Office Schedule 4.2; 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 11β-Hydroxytestosterone used for?
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11β-Hydroxytestosterone is primarily used in biochemical and cell biology research to study androgenic pathways, steroid hormone metabolism, and cell signalling.
What are the CAS number and formula for 11β-Hydroxytestosterone?
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The CAS number for 11β-Hydroxytestosterone is 1816-85-9, and its molecular formula is C19H28O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 11β-Hydroxytestosterone in a technical/research grade. TSS does not represent this product as USP, BP, or EP grade.
What are the safety and handling considerations for 11β-Hydroxytestosterone?
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11β-Hydroxytestosterone is classified with GHS08 and carries a Danger signal word. It has hazard statements H351 (Suspected of causing cancer) and H360 (May damage fertility or the unborn child). Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection (e.g., N100 respirator), must be used. Handle in a well-ventilated area or fume hood.
Is 11β-Hydroxytestosterone a controlled substance?
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Yes, 11β-Hydroxytestosterone is a controlled substance, listed as USDEA Schedule III, Home Office Schedule 4.2, and regulated under CDSA (not available from Canada).
How is 11β-Hydroxytestosterone packed, shipped, and exported?
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11β-Hydroxytestosterone is carefully packed to ensure stability and safety during transit, adhering to international shipping regulations for chemicals. TSS is a global supplier and exporter.
How can I request a sample or quote for 11β-Hydroxytestosterone?
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To request a sample or a quotation for 11β-Hydroxytestosterone, please contact our sales department via the website or direct email, providing your specific requirements.
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