Description

11-Ketotestosterone is a significant metabolite of testosterone and a key intermediate in steroid biosynthesis. This compound is of high interest for its role in biochemical research and as a reference standard in analytical chemistry. It is primarily utilized by pharmaceutical R&D laboratories, academic research institutions, and manufacturers of diagnostic reagents for hormone analysis and metabolic studies.

Application

• Pharmaceutical Reference Standard: Used as a certified reference material (CRM) for the calibration of analytical instruments in drug testing and quality control.
• Biochemical Research: Serves as a crucial intermediate or substrate in studies of steroid metabolism, enzyme kinetics, and endocrine pathways.
• Diagnostic Kit Manufacturing: Employed in the development and production of immunoassay kits for the quantitative detection of steroid hormones in clinical and forensic settings.
• Academic Studies: Utilized in university and institutional research projects focused on endocrinology, pharmacology, and molecular biology.
• Metabolite Analysis: Acts as an analytical standard in LC-MS/MS and HPLC methods for profiling steroid metabolites in biological samples.

Basic Information

Product Name	11-Ketotestosterone
CAS No.	564-35-2
Molecular Formula	C19H28O3
Molecular Weight	304.43 g/mol
Synonyms	11-Oxotestosterone; 17β-Hydroxyandrost-4-ene-3,11-dione; 11-Keto-testosterone; Adrenosterone metabolite; 11-Oxoandrostenedione (reduced form); 4-Androstene-3,11,17-trione, 17β-ol; 11-KT
EINECS	Contact for details

Quality Control

Our 11-Ketotestosterone is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including identity confirmation by spectroscopic methods and purity determination by chromatography, to ensure it meets the stringent requirements for research and reference standard applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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 must be kept under anhydrous conditions. For long-term storage, consider storing under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Single Unknown Impurity	≤ 0.5%

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