Estramustine sodium phosphate
Estramustine sodium phosphate (CAS: 52205-73-9) is a unique antineoplastic agent with the molecular formula C23H30Cl2NNa2O6P and a molecular weight of 564.35 g/mol. It combines an estrogenic moiety with a nitrogen mustard group, acting as a microtubule inhibitor. This compound is primarily utilised in research settings for its cytotoxic properties against various cancer cell lines and its role in studying cell division and signalling pathways.
- IUPAC
- Estra-1,3,5(10)triene-3,17ß-diol 3-[N,N-bis(2-chloroethyl)carbamate] 17-(dihydrogen phosphate) sodium salt,Estradiol 3-bis(2-chloroethyl)carbamate 17-(dihydrogen phosphate) sodium salt

Antitumor Agent Research
Estramustine sodium phosphate is employed in laboratory studies investigating cancer cell proliferation and the mechanisms of chemotherapy. Its dual action allows for exploration of hormonal and cytotoxic effects on tumor growth.
Cell Biology Studies
This compound serves as a valuable tool in cell biology research for investigating microtubule dynamics, cellular transport, and cell cycle progression. Its specific inhibitory action aids in understanding fundamental cellular processes.
Cancer Research
Used as a research chemical, Estramustine sodium phosphate is instrumental in developing and evaluating novel anticancer therapies. Its efficacy against hormone-dependent and independent cancers makes it a subject of ongoing research.
| Molecular weight | 564.35 |
|---|---|
| Empirical formula | C23H30Cl2NNa2O6P |
| Solubility | H2O: soluble50 mg/mL |
| Storage temperature | room temp |
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 37 |
| Safety statements (S) | 26 |
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 Estramustine sodium phosphate used for?
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Estramustine sodium phosphate (CAS: 52205-73-9) is used as a research chemical, particularly in antitumor agent research, cell biology studies, and cancer research, due to its properties as a microtubule inhibitor.
What is the CAS number and formula for Estramustine sodium phosphate?
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The CAS number for Estramustine sodium phosphate is 52205-73-9, and its molecular formula is C23H30Cl2NNa2O6P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Estramustine sodium phosphate for research purposes. The specific grade and purity are typically detailed in the product's Certificate of Analysis. We do not represent this product as USP, BP, or EP grade.
How should Estramustine sodium phosphate be handled?
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Handle Estramustine sodium phosphate with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. It is classified as Xi (Irritant) in Europe, with risk statement R37 (Irritating to the respiratory system).
How is Estramustine sodium phosphate shipped and exported?
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Estramustine sodium phosphate is shipped at room temperature. As a global supplier, Tech Serve Solutions expertly handles the export of this chemical, adhering to all relevant regulations.
How can I request a sample or quote for Estramustine sodium phosphate?
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To request a sample or a quote for Estramustine sodium phosphate, please visit the Tech Serve Solutions website or contact our sales team directly with your inquiry.
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