Description

Androst-5-En-17-One, 3-(Acetyloxy)-7-(1-Oxobutoxy)-, (3Beta)- (9Ci) is a high-purity steroid derivative of significant interest in advanced pharmaceutical research and development. This compound serves as a critical synthetic intermediate or reference standard for the production of specialized steroid-based active pharmaceutical ingredients (APIs). It is primarily utilized by research institutions and pharmaceutical manufacturers engaged in the development of novel therapeutic agents, particularly in the fields of endocrinology and metabolic disorders. Our supply ensures consistent quality and reliable availability for your critical development and production workflows.

Application

• Pharmaceutical Intermediate: A key building block in the multi-step synthesis of complex steroid-based active pharmaceutical ingredients (APIs).
• Reference Standard: Used as a certified reference material (CRM) for analytical method development, validation, and quality control in pharmaceutical laboratories.
• Biochemical Research: Employed in academic and industrial research to study steroid metabolism, receptor interactions, and biological pathways.
• Process Development: Serves as a starting material or intermediate for scaling up synthetic routes under Good Manufacturing Practice (GMP) conditions.
• Custom Synthesis: A foundational compound for the custom synthesis of novel steroid analogs with potential therapeutic applications.

Basic Information

Product Name	Androst-5-En-17-One, 3-(Acetyloxy)-7-(1-Oxobutoxy)-, (3Beta)- (9Ci)
CAS No.	517894-41-6
Molecular Formula	C25H36O5
Molecular Weight	416.55 g/mol
Synonyms	3β-Acetoxy-7-butanoyloxyandrost-5-en-17-one; 7-Butyryloxy-3β-hydroxyandrost-5-en-17-one 3-acetate; (3β)-3-(Acetyloxy)-7-(1-oxobutoxy)androst-5-en-17-one; Androst-5-en-17-one, 3-(acetyloxy)-7-(1-oxobutoxy)-, (3β)-; Steroid derivative 517894-41-6; 3β-Acetoxy-7β-butyryloxyandrost-5-en-17-one (common isomer notation); Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our Androst-5-En-17-One, 3-(Acetyloxy)-7-(1-Oxobutoxy)-, (3Beta)- (9Ci) is manufactured under strict quality systems to ensure it meets the exacting standards required for pharmaceutical research and development. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles as determined by advanced analytical techniques including HPLC, GC, and NMR. We support compliance with cGMP, ICH Q7 guidelines, and relevant pharmacopeial standards where applicable.

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). This compound may be light-sensitive and/or hygroscopic; handle and store under an inert atmosphere if specified for your grade.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥98.0%
Related Substances (HPLC)	Total impurities ≤2.0%
Single Maximum Unknown Impurity	≤0.5%
Residual Solvents (GC)	Complies with ICH Q3C
Loss on Drying	≤0.5%

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