Description

Benzestrol is a synthetic, non-steroidal estrogen compound. It is valued for its specific hormonal activity and stability in formulated products, making it a critical intermediate in advanced pharmaceutical synthesis. This compound is primarily required by research institutions and pharmaceutical manufacturers developing or producing hormone-based therapies and related diagnostic agents.

Application

• Pharmaceutical Intermediate: Key starting material or intermediate in the synthesis of steroidal and non-steroidal hormonal active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or experimental compound in endocrinology and hormone receptor studies.
• Veterinary Medicine: Potential component in the development of hormonal treatments for livestock and companion animals.
• Reference Standard: Serves as a high-purity analytical standard for quality control and regulatory testing in pharmaceutical laboratories.

Basic Information

Product Name	Benzestrol
CAS No.	85-95-0
Molecular Formula	C20H20O2
Molecular Weight	292.38 g/mol
Synonyms	Benzestrol; Octofollin; Benz-oestrol; NSC 3070; 4,4'-(1,2-Diethyl-1,2-ethenediyl)bisphenol; α,α'-Diethyl-4,4'-stilbenediol; (E)-4,4'-(1,2-Diethyl-1,2-ethenediyl)diphenol
EINECS	201-638-8

Quality Control

Our Benzestrol is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including identity confirmation by IR and purity determination by HPLC, to ensure it meets the high standards required for pharmaceutical research and development. A Certificate of Analysis (COA) detailing all test results is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥98.0%
Loss on Drying	≤0.5%
Residue on Ignition	≤0.1%
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.