Description

4-Androsten-3-One-5-Ene-17-Carboxylic Acid is a key steroid-based intermediate with significant synthetic utility. This compound matters for its role as a versatile building block in the production of more complex steroid derivatives and active pharmaceutical ingredients (APIs). It is primarily needed by manufacturers in the pharmaceutical, biotechnology, and fine chemical research sectors for developing therapeutic agents and conducting advanced biochemical studies.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of steroidal drugs, including certain anti-inflammatory agents and hormone-related therapies.
• Biochemical Research: Used as a reference standard or starting material in metabolic pathway studies and steroidogenesis research.
• Fine Chemical Synthesis: Serves as a specialized building block for creating novel steroid analogs and other complex organic molecules in R&D laboratories.
• API Development: Employed in the development and scale-up processes for new Active Pharmaceutical Ingredients (APIs) within GMP environments.

Basic Information

Product Name	4-Androsten-3-One-5-Ene-17-Carboxylic Acid
CAS No.	302-97-6
Molecular Formula	C20H28O3
Molecular Weight	316.44 g/mol
Synonyms	17β-Carboxyandrost-4-en-3-one; Androst-4-ene-3-one-17β-carboxylic acid; 17-Carboxyandrost-4-en-3-one; 4-Androstene-3,17-dione-17-carboxylic acid; 3-Oxoandrost-4-ene-17β-carboxylic acid; 17β-Carboxy-4-androsten-3-one; 4-Androsten-3-one-17β-carboxylic acid
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards for pharmaceutical intermediates. Each batch is analyzed to confirm identity, purity, and impurity profiles. Certificates of Analysis (COA) detailing specific test results are available upon request to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

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

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