Description

17Beta-Hydroxyandrost-4-Ene-3-One Butyrate is a high-purity steroid derivative, specifically the butyrate ester of testosterone. This compound is valued for its role as a key pharmaceutical intermediate and research chemical, offering a stable esterified form for controlled delivery and metabolic studies. It is primarily required by manufacturers and research institutions in the pharmaceutical, biotechnology, and life sciences sectors for the development of therapeutic agents and advanced biochemical research.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of advanced steroid-based therapeutics and hormone replacement therapies.
• Research & Development: Used in biochemical and pharmacological research to study androgen receptor activity, metabolism, and ester prodrug strategies.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories.
• Controlled-Release Formulations: Utilized in the design of long-acting injectable or implantable drug delivery systems due to its ester properties.
• Metabolic Studies: Employed in research to investigate the hydrolysis kinetics and metabolic pathways of steroid esters.

Basic Information

Product Name	17Beta-Hydroxyandrost-4-Ene-3-One Butyrate
CAS No.	3410-54-6
Molecular Formula	C23H36O3
Molecular Weight	360.53 g/mol
Synonyms	Testosterone Butyrate; 17β-Hydroxyandrost-4-en-3-one 17-butyrate; Androst-4-en-3-one, 17-(1-oxobutoxy)-, (17β)-; Testosterone 17-butyrate; NSC 17591; 4-Androsten-17β-ol-3-one butyrate
EINECS	222-300-9

Quality Control

Our 17Beta-Hydroxyandrost-4-Ene-3-One Butyrate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling via techniques such as HPLC, GC, and IR spectroscopy, to ensure it meets stringent specifications for research and pharmaceutical use. Certificates of Analysis (COA) documenting all test results are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
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.