Description

Quinestradol is a synthetic estrogenic steroid compound. It is valued for its specific hormonal activity and serves as a key intermediate in advanced pharmaceutical research and development. This product is primarily utilized by research institutions and pharmaceutical companies engaged in the development of hormone-based therapies and biochemical studies.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of specialized steroidal drugs and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or experimental compound in endocrinology and hormone receptor studies.
• Academic Research: Employed in university and institutional labs for investigating estrogenic activity and metabolic pathways.
• Development of Hormone Analogues: Acts as a precursor in the research and development of novel estrogen receptor modulators.

Basic Information

Item	Detail
Product Name	Quinestradol
CAS No.	1169-79-5
Molecular Formula	C23H30O3
Molecular Weight	354.49 g/mol
Synonyms	Quinestradol; Ethinylestradiol 3-Cyclopentyl Ether; 17α-Ethynylestradiol 3-cyclopentyl ether; 19-Nor-17α-pregna-1,3,5(10)-trien-20-yne-3,17-diol 3-cyclopentyl ether; NSC-12173; 3-Cyclopentyloxy-19-nor-17α-pregna-1,3,5(10)-trien-20-yn-17-ol
EINECS	Contact for details

Quality Control

Our Quinestradol is produced 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 the high standards required for research applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). Keep the container tightly sealed in a dry environment to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.