Description

5β-Androsta-4-One is a high-purity steroid intermediate of significant importance in advanced pharmaceutical synthesis. This compound serves as a critical building block for the development of steroidal active pharmaceutical ingredients (APIs) and research compounds. It is primarily utilized by pharmaceutical R&D laboratories, fine chemical manufacturers, and academic research institutions engaged in endocrinology and metabolic disease studies.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of steroidal drugs and hormones.
• Research & Development: Used in biochemical research for studying steroid metabolism, receptor binding, and enzyme inhibition.
• Reference Standard: Serves as an analytical standard in quality control laboratories for method development and validation.
• Fine Chemical Synthesis: Employed in multi-step organic synthesis to create more complex steroidal architectures.
• Academic Studies: Utilized in university and institutional research projects focused on organic chemistry and medicinal chemistry.

Basic Information

Product Name	5β-Androsta-4-One
CAS No.	13583-71-6
Molecular Formula	C19H28O
Molecular Weight	272.43 g/mol
Synonyms	5β-Androstan-4-one; 5β-Androstane-4-one; 4-Androsten-3-one, 5β-; Etioallocholan-4-one; 17β-Hydroxy-5β-androstan-4-one (tautomer); NSC 10481; 5-β-androstan-4-one
EINECS	Contact for details

Quality Control

Our 5β-Androsta-4-One is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling via HPLC, to ensure it meets exacting standards for research and synthesis. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Specification available upon request
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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