Description

Phenestrol is a synthetic, non-steroidal estrogen compound with significant biological activity. This high-purity active pharmaceutical ingredient (API) is essential for research and development in endocrinology and hormone-related therapeutic areas. It is primarily utilized by pharmaceutical manufacturers and advanced research institutions for developing novel treatments and conducting critical preclinical studies.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of more complex steroidal and hormonal active pharmaceutical ingredients (APIs).
• Endocrinology Research: Used as a reference standard and experimental compound in academic and industrial research focused on estrogen receptor activity and signaling pathways.
• Preclinical Development: Employed in animal studies to model estrogenic effects and evaluate the efficacy and safety of related drug candidates.
• Biochemical Assays: Functions as a ligand in competitive binding assays and other in vitro tests to screen for estrogenic or anti-estrogenic activity.
• Reference Standard: Provides a high-purity benchmark for quality control laboratories to calibrate analytical methods and verify the identity of related substances.

Basic Information

Item	Details
Product Name	Phenestrol
CAS No.	19659-38-2
Molecular Formula	C20H24O2
Molecular Weight	296.40 g/mol
Synonyms	Phenestrol; 3,4-Bis(p-hydroxyphenyl)-3-hexene; meso-3,4-Bis(4-hydroxyphenyl)hex-3-ene; Hexestrol Derivative; Dihydrodiethylstilbestrol; NSC 35752; Phenestrolum
EINECS	Contact for details

Quality Control

Our Phenestrol is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical research. A detailed Certificate of Analysis (COA) documenting 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 a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residual Solvents (GC)	Complies with ICH guidelines

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