Description

3,5-Androstadien-17-One is a key steroid intermediate of significant importance in organic synthesis. This compound matters for its role as a versatile building block in the research and development of active pharmaceutical ingredients (APIs) and other fine chemicals. It is primarily needed by manufacturers and R&D laboratories in the pharmaceutical, biotechnology, and life sciences sectors for synthesizing complex steroid derivatives.

Application

• Pharmaceutical Intermediate: A critical precursor in the multi-step synthesis of steroidal drugs and hormones.
• Research & Development: Used as a reference standard and starting material in academic and industrial research for novel therapeutic agents.
• Fine Chemical Synthesis: Serves as a building block for creating complex organic molecules with specific biological activities.
• Biochemical Studies: Employed in metabolic pathway research and enzyme inhibition studies related to steroidogenesis.
• API Development: Integral to the process development and scale-up of new Active Pharmaceutical Ingredients within the steroid class.

Basic Information

Product Name	3,5-Androstadien-17-One
CAS No.	1912-63-6
Molecular Formula	C19H26O
Molecular Weight	270.41 g/mol
Synonyms	3,5-Androstadien-17-one; 17-Oxoandrosta-3,5-diene; Androsta-3,5-dien-17-one; 3,5-Androstadiene-17-one; Dehydroandrosterone; 5-Dehydroandrosterone; δ3,5-Androstadien-17-one; 17-Ketoandrosta-3,5-diene
EINECS	217-632-6

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. We provide material that meets high-purity specifications suitable for research and synthesis. Certificates of Analysis (COA) detailing identity, purity, and related substance profiles are available upon request to support your quality assurance protocols.

Storage

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

Specification

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

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