Description

20-Hydroxy-3-Oxopregn-4-En-21-Oic Acid CAS NO 91200-16-7 is a high-purity steroid derivative, a key intermediate in the synthesis of various pharmaceutical compounds. Its precise molecular structure makes it a critical building block for research and development in advanced therapeutic areas. This compound is essential for pharmaceutical manufacturers, research institutions, and fine chemical suppliers focused on steroid chemistry and drug discovery.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of steroidal drugs, including corticosteroids and other hormone-based therapies.
• Biochemical Research: Used as a reference standard or starting material in metabolic pathway studies and enzyme inhibition research.
• Fine Chemical Synthesis: Serves as a versatile building block for creating novel steroid analogs with potential biological activity.
• Academic & Contract Research: Employed in university and CRO laboratories for medicinal chemistry projects and method development.
• API Development: Integral to the research and process development stages for new Active Pharmaceutical Ingredients (APIs).

Basic Information

Product Name	20-Hydroxy-3-Oxopregn-4-En-21-Oic Acid
CAS No.	91200-16-7
Molecular Formula	C21H28O5
Molecular Weight	360.45 g/mol
Synonyms	20-Hydroxy-3-oxopregn-4-ene-21-carboxylic acid; 20-Hydroxy-21-nor-4-pregnene-3,20-dione; 3,20-Dioxo-21-norpregn-4-en-20-ol; 21-Nor-4-pregnene-3,20-dione, 20-hydroxy-; 20-Hydroxy-21-norpregn-4-ene-3,20-dione; 20-Hydroxy-3-oxopregn-4-en-21-oate; 20-Hydroxy-21-norpregn-4-en-3,20-dione
EINECS	Contact for details

Quality Control

Our 20-Hydroxy-3-Oxopregn-4-En-21-Oic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, to ensure it meets the high standards required for pharmaceutical research and development. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Single Maximum Impurity	≤ 0.5%

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