Description

3β-Acetyloxy-19-Hydroxyandrost-5-En-17-One is a high-purity steroid derivative and a key pharmaceutical intermediate. This compound matters for its role in the synthesis of more complex steroid-based active pharmaceutical ingredients (APIs) and fine chemicals. It is primarily needed by manufacturers in the pharmaceutical, biotechnology, and advanced research sectors for developing therapeutic agents and conducting metabolic studies.

Application

• Pharmaceutical Intermediate: A critical building block in the multi-step synthesis of steroidal drugs and hormones.
• Research & Development: Used in biochemical and pharmacological research to study steroid metabolism and receptor interactions.
• Reference Standard: Serves as a certified reference material (CRM) for analytical method development and quality control in laboratories.
• Fine Chemical Synthesis: Employed in the production of specialized steroid derivatives for various industrial and research applications.

Basic Information

Product Name	3β-Acetyloxy-19-Hydroxyandrost-5-En-17-One
CAS No.	2857-42-3
Molecular Formula	C21H30O4
Molecular Weight	346.46 g/mol
Synonyms	19-Hydroxy-3β-acetoxyandrost-5-en-17-one; 3β-Acetoxy-19-hydroxyandrost-5-en-17-one; 19-Hydroxy-3β-acetoxy-5-androsten-17-one; 3β-Acetoxy-19-hydroxy-5-androsten-17-one; 19-Hydroxy-3β-acetoxy-δ5-androsten-17-one; 3β-Acetoxy-19-hydroxy-δ5-androsten-17-one; Androst-5-ene-3β,19-diol-17-one 3-acetate
EINECS	Contact for details

Quality Control

Our 3β-Acetyloxy-19-Hydroxyandrost-5-En-17-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical intermediates and research chemicals. Certificates of Analysis (COA) are available upon request, detailing all relevant specifications.

Storage

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

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%
Residue on Ignition	≤ 0.1%

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