Estropipate
Estropipate (CAS 7280-37-7) is a white to tan powder with the molecular formula C18H22O5S·C4H10N2 and a molecular weight of 436.56. This compound functions as an estrogen derivative. Its primary applications are within cell biology, cell signaling, neuroscience research, and as a tool in studies involving cytokines, growth factors, and hormones. It is an approved therapeutic/drug candidate, with a purity of ≥98% (HPLC).
- IUPAC
- 3-(Sulfooxy)-estra-1,3,5(10)-trien-17-one : piperazine (1:1),Estrone sulfate piperazine salt,Estropipate,Harmogen,Ogen
- Synonyms
- 3-(Sulfooxy)-estra-1,3,5(10)-trien-17-one : piperazine (1:1),Estrone sulfate piperazine salt,Harmogen,Ogen

Endocrine Research
Estropipate is utilised in research concerning endocrine systems, particularly in studies involving estrogenic compounds and their effects on cellular pathways.
Cell Biology Studies
Its role as an estrogen derivative makes it valuable for cell biology investigations, including those focused on cell signaling and hormonal responses.
Neuroscience Research
This compound finds application in neuroscience research, aiding in the understanding of how hormones influence neuronal function and signaling.
Hormone and Cytokine Investigations
Estropipate is employed in the study of hormones, cytokines, and growth factors, contributing to research in these critical biological areas.
| Molecular weight | 436.56 |
|---|---|
| Empirical formula | C18H22O5S·C4H10N2 |
| Assay | ≥98% (HPLC) |
| Form | powder |
| Colour | white to tan |
| Solubility | DMSO: ≥24 mg/mL |
| Optical activity | [α]/D 100 to 120°, c = 1 in DMSO |
| Storage temperature | 2-8°C |


Hazard statements
- H302Harmful if swallowed
- H350May cause cancer
Precautionary statements
- P201Obtain special instructions before use
- P308IF exposed or concerned
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | T |
| Risk statements (R) | 45-22 |
| Safety statements (S) | 53-45 |
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 Estropipate used for?
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Estropipate is used in research within cell biology, cell signaling, neuroscience, and in studies involving cytokines, growth factors, and hormones. It is also an approved therapeutic/drug candidate.
What is the CAS number and molecular formula for Estropipate?
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The CAS number for Estropipate is 7280-37-7, and its molecular formula is C18H22O5S·C4H10N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Estropipate with a purity of ≥98% (HPLC). We do not represent this product as USP, BP, or EP grade.
How should Estropipate be handled safely?
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Estropipate is classified with GHS07 and GHS08 symbols and a Danger signal word. It carries hazard statements H302 (Harmful if swallowed) and H350 (May cause cancer). Handle with appropriate personal protective equipment and follow safety statements P201 and P308 + P313 (Obtain prior to use. If exposed or concerned: Get medical advice/attention).
How is Estropipate packed, shipped, and exported?
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Estropipate is typically supplied as a powder and stored at 2-8°C. As a global supplier, Tech Serve Solutions adheres to all regulations for secure packing, shipping, and export of fine chemicals.
How can I request a sample or quote for Estropipate?
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To request a sample or a quotation for Estropipate, please contact our sales team through the website or designated contact channels.
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