Description

19-Carboxyandrost-4-Ene-3,17-Dione is a key steroidal intermediate with significant synthetic utility. This compound matters for its role as a versatile building block in the production of more complex steroid-based active pharmaceutical ingredients (APIs). It is primarily needed by pharmaceutical R&D departments and fine chemical manufacturers engaged in the synthesis of corticosteroids, anti-inflammatory agents, and other therapeutic steroids.

Application

• Pharmaceutical Intermediate: A critical precursor in the multi-step synthesis of corticosteroid drugs and other steroidal therapeutics.
• Research & Development: Used in academic and industrial laboratories for exploring novel steroid derivatives and metabolic pathways.
• Fine Chemical Synthesis: Serves as a specialized building block for creating high-value, complex organic molecules in contract manufacturing.
• Biochemical Studies: Employed in studies related to steroid hormone metabolism and enzyme inhibition assays.
• Reference Standard: Utilized as an analytical standard in quality control laboratories for method development and validation.

Basic Information

Product Name	19-Carboxyandrost-4-Ene-3,17-Dione
CAS No.	4757-95-3
Molecular Formula	C20H26O4
Molecular Weight	330.42 g/mol
Synonyms	19-Carboxy-4-androstene-3,17-dione; 19-Carboxy-4-androstene-3,17-dione; 19-Carboxyandrostenedione; 19-Carboxy-AD; 19-Carboxy-4-AD; 19-Carboxy-4-androstenedione; 19-Carboxyandrost-4-ene-3,17-dione; 19-Carboxy-4-androsten-3,17-dione
EINECS	Contact for details

Quality Control

Our 19-Carboxyandrost-4-Ene-3,17-Dione is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for pharmaceutical intermediate applications. Certificates of Analysis (COA) documenting full specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.