Description

Estradiol-17 β-Decanoate is a long-acting ester derivative of the natural estrogen, estradiol-17β. This compound is valued for its enhanced stability and prolonged pharmacological activity compared to the parent hormone, making it a critical intermediate in advanced pharmaceutical synthesis. It is primarily required by manufacturers in the pharmaceutical and life science research sectors for the development of hormone replacement therapies, veterinary medicines, and controlled-release formulations.

Application

• Pharmaceutical Intermediate: Key starting material or intermediate in the synthesis of long-acting injectable estrogen therapies and hormone replacement drugs.
• Veterinary Medicine: Used in the formulation of sustained-release hormonal treatments for livestock and companion animals.
• Research & Development: Serves as a reference standard and biochemical tool in endocrinology research, studying estrogen receptor activity and metabolic pathways.
• Controlled-Release Formulations: Utilized in the development of depot injections and implantable devices due to its esterified, lipophilic properties that slow release.
• API Synthesis: An important building block in the multi-step synthesis of more complex steroidal active pharmaceutical ingredients (APIs).

Basic Information

Product Name	Estradiol-17 β-Decanoate
CAS No.	61748-93-4
Molecular Formula	C28H42O3
Molecular Weight	426.64 g/mol
Synonyms	Estradiol 17-Decanoate; 17β-Estradiol 17-Decanoate; Estradiol 17β-Decanoate; NSC 124009; Oestradiol-17β-Decanoate; Estr-5(10)-ene-3,17β-diol 17-decanoate; (17β)-Estra-1,3,5(10)-triene-3,17-diol 17-decanoate
EINECS	Contact for details

Quality Control

Our Estradiol-17 β-Decanoate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, identity confirmation by IR and NMR, and residual solvent analysis. We provide full traceability and Certificates of Analysis (COA) are available for every shipment, ensuring compliance with relevant guidelines for pharmaceutical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment. For long-term storage, consider desiccants or inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.