Description

Estradiol Diundecanoate is a synthetic, long-chain fatty acid ester derivative of the natural hormone estradiol. This chemical modification enhances its lipophilicity and stability, making it a valuable intermediate for advanced pharmaceutical research and development. It is primarily utilized by R&D laboratories and manufacturers in the pharmaceutical and life sciences sectors for the synthesis of specialized hormonal agents and prodrug formulations.

Application

• Pharmaceutical Intermediate: Key starting material or intermediate in the synthesis of novel steroidal drugs and hormone therapies.
• Research & Development: Used in biochemical and pharmacological research to study estrogen receptor activity and hormone metabolism.
• Prodrug Development: Serves as a precursor in designing prodrugs with improved bioavailability and controlled release profiles.
• Reference Standard: Employed as an analytical standard in quality control laboratories for method development and validation.
• Advanced Material Synthesis: Potential use in creating specialized polymers or delivery systems for controlled-release applications.

Basic Information

Product Name	Estradiol Diundecanoate
CAS No.	1263-57-6
Molecular Formula	C₄₀H₆₆O₄
Molecular Weight	610.96 g/mol
Synonyms	Estradiol 3,17β-Diundecanoate; 17β-Estradiol Diundecanoate; Estradiol Dihendecanoate; Diundecanoic Acid Estradiol Ester; Estr-5(10)-ene-3,17β-diol 3,17-diundecanoate; NSC 17591; Oestradiol Diundecanoate
EINECS	215-008-6

Quality Control

Our Estradiol Diundecanoate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to ensure it meets stringent specifications for research and pharmaceutical use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Melting Point	Contact for details
Loss on Drying	≤0.5%
Related Substances (HPLC)	Total impurities ≤2.0%

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