Fulvestrant
Fulvestrant (CAS: 129453-61-8) is a steroidal antioestrogen with the chemical formula C32H47F5O3S and a molecular weight of 606.77 g/mol. This compound is primarily recognised for its role in approved therapeutics and drug development. It acts as an estrogen receptor antagonist, making it a valuable tool in research settings investigating hormonal pathways and related cellular processes. Tech Serve Solutions supplies Fulvestrant as a high-purity powder.
- IUPAC
- (7a,17b)-7-[9-[(4,4,5,5,5pentafluoropentyl)Sulfinyl]nonyl]estra-1,3,5(10)-triene-3,17-diol,Faslodex,ICI 182,780,ZD 182780,ZD 9238,ZM 182780
- Synonyms
- ICI 182,780ZD 182780ZD 9238ZM 182780(7a,17b)-7-[9-[(4,4,5,5,5pentafluoropentyl)Sulfinyl]nonyl]estra-1,3,5(10)-triene-3,17-diol

Pharmaceutical Research and Development
Fulvestrant serves as a critical compound in the research and development of pharmaceuticals, particularly those targeting hormone-dependent conditions. Its mechanism as an estrogen receptor antagonist makes it instrumental in preclinical studies.
Cell Biology Studies
As a bioactive small molecule, Fulvestrant is utilised in cell biology to investigate estrogen receptor signalling pathways. It aids in understanding cellular responses to hormonal stimuli and in exploring mechanisms related to cell growth and differentiation.
Endocrinology Research
This compound is employed in research focused on endocrinology and steroid hormone action. Its specific antagonism of estrogen receptors allows scientists to probe the intricate roles of these receptors in various physiological and pathological processes.
| Molecular weight | 606.77 |
|---|---|
| Empirical formula | C32H47F5O3S |
| Assay | >98% (HPLC) |
| Form | powder |
| Solubility | DMSO: >5 mg/mL |
| Storage temperature | 2-8°C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 Fulvestrant used for?
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Fulvestrant is used in pharmaceutical research and development, cell biology studies, and endocrinology research, primarily for its action as an estrogen receptor antagonist.
What are the CAS number and formula for Fulvestrant?
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The CAS number for Fulvestrant is 129453-61-8, and its chemical formula is C32H47F5O3S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Fulvestrant with a purity of >98% (HPLC). We do not represent it as USP, BP, EP, or pharmacopoeia grade.
What are the safety and handling precautions for Fulvestrant?
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Fulvestrant requires the use of Eyeshields and Gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Consult the Safety Data Sheet for comprehensive handling information.
How is Fulvestrant shipped and exported?
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Fulvestrant is typically stored at 2-8°C. Tech Serve Solutions, as a specialist global supplier and exporter, can manage the appropriate shipping and export procedures for this compound.
How can I request a sample or quote for Fulvestrant?
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To request a sample or quote for Fulvestrant, please contact our sales team through the website or direct inquiry channels.
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