Description

Dienestrol is a synthetic, non-steroidal estrogen compound with significant biological activity. This high-purity active pharmaceutical ingredient (API) is critical for research and development in endocrinology and hormone-related studies. It is primarily utilized by pharmaceutical manufacturers and research institutions in the life sciences sector for developing therapeutic and diagnostic applications.

Application

• Pharmaceutical Intermediates: Serves as a key starting material or intermediate in the synthesis of more complex steroidal and hormonal drugs.
• Biomedical Research: Used as a reference standard and active agent in laboratory studies investigating estrogen receptor binding, hormonal pathways, and endocrine disruption.
• Clinical Chemistry: Employed in the development and calibration of diagnostic assays and kits for measuring estrogenic activity.
• Veterinary Medicine: Applied in certain veterinary pharmaceutical formulations for hormonal regulation.
• Academic & Industrial R&D: Fundamental compound for chemical and pharmacological research in universities and corporate R&D centers.

Basic Information

Product Name	Dienestrol
CAS No.	84-17-3
Molecular Formula	C18H18O2
Molecular Weight	266.33 g/mol
Synonyms	Dienoestrol; Dehydrostilbestrol; 4,4'-(Diethylideneethylene)diphenol; 3,4-Bis(4-hydroxyphenyl)-2,4-hexadiene; NSC-3070; (E,E)-Dienestrol; meso-Dienestrol; Dienestrolum
EINECS	201-514-5

Quality Control

Our Dienestrol is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting compliance with agreed specifications. We support cGMP standards for pharmaceutical applications.

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 the container tightly sealed to protect from moisture.

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% Any single impurity ≤ 0.5%

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