Description

Lynestrenol CAS NO 52-76-6 is a synthetic progestogen steroid, a key active pharmaceutical ingredient (API) in the development of hormonal therapies. Its primary value lies in its potent progestational activity, making it a critical component for precise hormonal regulation. This compound is essential for manufacturers in the pharmaceutical industry, particularly for producing oral contraceptives and medications for menstrual cycle disorders and endometriosis.

Application

• Active Pharmaceutical Ingredient (API) in oral contraceptive formulations.
• Key component in hormone replacement therapy (HRT) products for menopausal symptom management.
• Used in the treatment of menstrual disorders, such as amenorrhea and dysfunctional uterine bleeding.
• Development of medications for endometriosis and other gynecological conditions.
• Research and development of novel steroidal drugs and delivery systems.
• Reference standard for analytical and quality control laboratories.

Basic Information

Product Name	Lynestrenol
CAS No.	52-76-6
Molecular Formula	C20H28O
Molecular Weight	284.44 g/mol
Synonyms	Lynestrenol; 17α-Ethynyl-17β-hydroxy-19-nor-4-androsten-3-one; 17α-Ethynylestr-4-en-17β-ol; 19-Nor-17α-pregn-4-en-20-yn-17-ol; Ethinylestrenolone; Exluton; Exlutona; Orgametril; Orgametrilum; Orgametril
EINECS	200-148-8

Quality Control

Our Lynestrenol is manufactured under strict quality management systems. We provide material that meets high-purity standards suitable for pharmaceutical applications. A comprehensive Certificate of Analysis (COA) is supplied with each batch, detailing results for identity, purity, and related substances. Our quality commitment ensures compliance with relevant pharmacopeial guidelines and cGMP principles.

Storage

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

Specification

Item	Specification
Appearance	White or almost white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time corresponds to reference standard
Assay (HPLC)	98.0% - 102.0% (on anhydrous basis)
Related Substances (HPLC)	Total impurities ≤ 2.0% Any individual impurity ≤ 1.0%
Water (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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