Description

Quingestanol CAS NO 10592-65-1 is a synthetic steroidal progestin, a derivative of 19-nortestosterone, known for its potent hormonal activity. This compound is of significant interest in pharmaceutical research and development for its specific biological effects. It is primarily utilized by the pharmaceutical industry and research institutions for the development and production of hormonal therapies and as a key reference standard in analytical laboratories.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of advanced hormonal active pharmaceutical ingredients (APIs).
• Reference Standard: Used in analytical chemistry for method development, validation, and quality control testing of related pharmaceutical products.
• Biomedical Research: Employed in preclinical and clinical studies to investigate progestogenic activity, receptor binding, and metabolic pathways.
• Hormone Therapy Development: A key component in R&D for contraceptive and other hormone-based therapeutic formulations.

Basic Information

Product Name	Quingestanol
CAS No.	10592-65-1
Molecular Formula	C₂₅H₃₄O₂
Molecular Weight	366.54 g/mol
Synonyms	Quingestanol; 3-Cyclopentyloxy-19-nor-17α-pregna-3,5-dien-20-yn-17-ol; 17α-Ethynyl-3-cyclopentyloxy-19-norandrosta-3,5-dien-17β-ol; 17α-Ethynyl-3-cyclopentyloxyestra-3,5-dien-17β-ol; WIN 11966; P-1019; Quingestanol Acetate (related ester)
EINECS	Contact for details

Quality Control

Our Quingestanol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling via advanced techniques like HPLC and GC. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, ensuring compliance with cGMP and relevant pharmacopeial guidelines for research and pharmaceutical use.

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 away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%
Residual Solvents (GC)	Complies with ICH Q3C guidelines
Loss on Drying	≤ 0.5%

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