β-Estradiol 17-cypionate
β-Estradiol 17-cypionate (CAS: 313-06-4; C26H36O3) is a synthetic ester of estradiol, a naturally occurring estrogen hormone. It functions as a long-acting estrogenic agent. This compound is primarily utilised in scientific research for studies related to endocrinology, reproductive biology, and hormone receptor interactions. Its controlled release properties make it a valuable tool for investigating long-term hormonal effects in experimental settings.
- IUPAC
- 1,3,5(10)-Estratriene-3,17β-diol 17-cyclopentylpropionate,3,17β-Hydroxy-1,3,5(10)-estratriene 17-cyclopentylpropionate,Depoestradiol
- Synonyms
- 1,3,5(10)-Estratriene-3,17β-diol 17-cyclopentylpropionate3,17β-Hydroxy-1,3,5(10)-estratriene 17-cyclopentylpropionateDepoestradiol

Endocrinology Research
Utilised in studies investigating the function and regulation of the endocrine system. Its esterified form allows for prolonged exposure to estrogenic activity in experimental models.
Reproductive Biology Studies
Serves as a tool to explore mechanisms of reproductive health and function in research settings. Useful for examining the effects of estrogen on reproductive tissues and processes.
Hormone Receptor Research
A key compound for investigating estrogen receptor binding, activation, and downstream signalling pathways. Aids in understanding cellular responses to estrogenic stimuli.
| Molecular weight | 396.56 |
|---|---|
| Empirical formula | C26H36O3 |


Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
- H350May cause cancer
- H360May damage fertility or the unborn child
Precautionary statements
- P201Obtain special instructions before use
- P280Wear protective gloves, clothing and eye/face protection
- 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) | T |
| Risk statements (R) | 45-46-61-20/21/22 |
| Safety statements (S) | 53-22-36/37/39-45 |
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 β-Estradiol 17-cypionate used for?
+
β-Estradiol 17-cypionate is used in scientific research, particularly in endocrinology and reproductive biology studies, to investigate the effects of prolonged estrogenic activity.
What are the CAS number and formula for β-Estradiol 17-cypionate?
+
The CAS number is 313-06-4 and the empirical formula is C26H36O3.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies β-Estradiol 17-cypionate as a research-grade chemical. The specific purity is detailed on the product's Certificate of Analysis. We do not represent this product as USP, BP, EP, or for human or veterinary use.
How should β-Estradiol 17-cypionate be handled safely?
+
β-Estradiol 17-cypionate is a Danger. It is harmful if swallowed, in contact with skin, or if inhaled, and may cause cancer and damage fertility or the unborn child. Handle with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection (e.g., N100 respirator cartridges). Ensure adequate ventilation and follow P201 and P280 guidelines.
Is β-Estradiol 17-cypionate a controlled substance?
+
Information regarding controlled substance status varies by jurisdiction. Users are responsible for ensuring compliance with all applicable local, national, and international regulations regarding the purchase, handling, and use of this compound.
How is β-Estradiol 17-cypionate packed, shipped, and exported?
+
Products are packed securely in compliance with international shipping regulations for chemical compounds. Tech Serve Solutions is an experienced global exporter, ensuring all necessary documentation for export is provided.
How can I request a sample or quote for β-Estradiol 17-cypionate?
+
Please use the 'Request a Quote' or 'Request a Sample' button on our website, or contact our sales team directly with your inquiry.
▶ Related products

(−)-Curcumol
C15H24O2
Cell Biology
(±) Clopidogrel hydrogensulfate
Cell Biology

(±)-L-Alliin
C6H11NO3S
Cell Biology
(±)-2-Amino-4-phosphonobutyric acid
C4H10NO5P
Cell Biology
(±)-2-Methylarachidonoyl-2′-fluoroethylamide
C23H38NOF
Cell Biology
(±)-3,4-Methylenedioxy-N-ethylamphetamine hydrochloride
Cell Biology

(±)-3,4-Methylenedioxyamphetamine hydrochloride
Cell Biology

(±)-3,4-Methylenedioxymethamphetamine hydrochloride
Cell Biology
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis