Description

3-Oxo-4-Aza-5-α-Androstane-17-β-Carboxylic Acid CAS NO 103335-55-3 is a high-purity steroidal intermediate of significant importance in advanced pharmaceutical synthesis. This compound serves as a critical building block for the development of novel therapeutic agents, particularly in the fields of endocrinology and metabolic disease research. It is primarily sought by pharmaceutical R&D laboratories, fine chemical manufacturers, and academic research institutions engaged in the synthesis of complex bioactive molecules.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of 5-alpha reductase inhibitors and other steroidal drugs targeting hormonal pathways.
• Research & Development: Used in academic and industrial laboratories for the discovery and development of new chemical entities (NCEs) with potential therapeutic applications.
• Fine Chemical Synthesis: Employed as a specialized building block for constructing complex molecular architectures in custom synthesis and process development.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method validation in pharmaceutical analysis.
• Biochemical Research: Utilized in studies investigating enzyme mechanisms, receptor binding, and metabolic pathways related to steroid hormones.

Basic Information

Product Name	3-Oxo-4-Aza-5-α-Androstane-17-β-Carboxylic Acid
CAS No.	103335-55-3
Molecular Formula	C19H29NO3
Molecular Weight	319.44 g/mol
Synonyms	4-Aza-5α-androstane-3-one-17β-carboxylic acid; 17β-Carboxy-4-aza-5α-androstan-3-one; Finasteride carboxylic acid; Finasteride metabolite; 3-Oxo-4-azaandrost-5α-ane-17β-carboxylic acid; 5α-Androstane-17β-carboxylic acid, 4-aza-3-oxo-; 4-Aza-3-oxo-5α-androstane-17β-carboxylic acid
EINECS	Contact for details

Quality Control

Our 3-Oxo-4-Aza-5-α-Androstane-17-β-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the stringent requirements for pharmaceutical research and development. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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 incompatible materials. For long-term storage, consider storage under inert atmosphere to maintain optimal stability.

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%
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.