Description

Estra-1,3,5(10)-Triene-3,17Beta-Diol 17-Cyclohexanecarboxylate CAS NO 15140-27-9 is a high-purity steroidal ester derivative, specifically a 17β-cyclohexanecarboxylate of estradiol. This compound is a critical advanced intermediate in the synthesis of complex steroid-based pharmaceuticals and active pharmaceutical ingredients (APIs). It is essential for research and manufacturing organizations in the pharmaceutical and fine chemical sectors that require reliable, high-quality building blocks for hormone-related therapies and advanced medicinal chemistry.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of steroidal drugs and novel hormone receptor modulators.
• Research & Development: Used in academic and industrial R&D for studying estrogenic activity and developing new therapeutic agents.
• API Synthesis: Serves as a building block in the multi-step production of complex Active Pharmaceutical Ingredients (APIs).
• Fine Chemical Production: Employed in the manufacture of high-value specialty chemicals requiring precise steroidal frameworks.
• Reference Standard: Can be utilized as a chromatographic or analytical standard in quality control laboratories.

Basic Information

Item	Details
Product Name	Estra-1,3,5(10)-Triene-3,17β-Diol 17-Cyclohexanecarboxylate
CAS No.	15140-27-9
Molecular Formula	C25H34O3
Molecular Weight	382.54 g/mol
Synonyms	Estradiol 17-Cyclohexanecarboxylate; 17β-Estradiol 17-Cyclohexanecarboxylate; 3,17β-Dihydroxyestra-1,3,5(10)-trien-17-yl cyclohexanecarboxylate; Oestradiol 17-cyclohexanecarboxylate; NSC 124004; Cyclohexanecarboxylic acid, (17β)-estra-1,3,5(10)-triene-3,17-diol 17-ester
EINECS	Contact for details

Quality Control

Our Estra-1,3,5(10)-Triene-3,17β-Diol 17-Cyclohexanecarboxylate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets exacting standards for pharmaceutical intermediate applications. Certificates of Analysis (COA) with full traceability are provided with every shipment.

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 incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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