Estriol 3-sulfate sodium salt
Estriol 3-sulfate sodium salt (CAS: 5150-64-1), with the molecular formula C18H23O6SNa and a molecular weight of 390.43 g/mol, is a steroid hormone derivative. This compound is primarily utilised in biochemical research for studies involving cell biology, cell signalling, and endocrinology. Its role as a biologically active small molecule makes it a valuable reagent for investigating hormonal pathways and cellular responses in laboratory settings.
- IUPAC
- 1,3,5(10)-Estratriene-3,16α,17β-triol 3-sulfate,3,16α,17β-Trihydroxy-1,3,5(10)-estratriene 3-sulfate
- Synonyms
- 1,3,5(10)-Estratriene-3,16α,17β-triol 3-sulfate, 3,16α,17β-Trihydroxy-1,3,5(10)-estratriene 3-sulfate

Biochemical Research
Estriol 3-sulfate sodium salt serves as a key reagent in biochemical research, particularly for studying estrogenic effects and metabolic pathways. Its use is instrumental in understanding the complex mechanisms of steroid hormone action at the cellular level.
Cell Biology Studies
This compound is employed in cell biology research to investigate cellular responses to hormonal stimuli. It aids in elucidating signaling cascades and the molecular basis of various physiological processes regulated by steroid hormones.
Endocrinology Research
As a derivative of estriol, this sodium salt is valuable for research in endocrinology. It can be used to study hormone-receptor interactions and the physiological impact of estrogenic compounds in experimental models.
| Molecular weight | 390.43 |
|---|---|
| Linear formula | C18H23O6SNa |
| Contains / stabiliser | ~30% methylglucamine as stabilizer |

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.
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 Estriol 3-sulfate sodium salt used for?
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Estriol 3-sulfate sodium salt is used in biochemical research, particularly for studies in cell biology, cell signalling, and endocrinology, to investigate hormonal pathways and cellular responses.
What are the CAS number and chemical formula for Estriol 3-sulfate sodium salt?
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The CAS number is 5150-64-1, and the chemical formula is C18H23O6SNa.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Estriol 3-sulfate sodium salt with approximately 30% methylglucamine as a stabiliser. The specific assay or purity is not detailed as USP, BP, or EP grade; it is supplied for research and laboratory use.
How should Estriol 3-sulfate sodium salt be handled safely?
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Handle Estriol 3-sulfate sodium salt with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection (type N100 or P3). It is classified as a Warning with hazard statement H351 (Suspected of causing cancer), necessitating careful handling.
Is Estriol 3-sulfate sodium salt a controlled substance?
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The provided data does not indicate that Estriol 3-sulfate sodium salt is a controlled substance. However, users should always comply with local regulations.
How is Estriol 3-sulfate sodium salt packed, shipped, and exported?
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Estriol 3-sulfate sodium salt is carefully packed to ensure stability during transit and is exported globally by Tech Serve Solutions. Specific packaging details are available upon request.
How can I request a sample or quote for Estriol 3-sulfate sodium salt?
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To request a sample or quote for Estriol 3-sulfate sodium salt, please contact our sales team through the website or by phone.
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