Description

Testosterone-D3 Decanoate is a deuterium-labeled analog of testosterone decanoate, a long-acting esterified androgen. This stable isotope-labeled compound is essential for use as an internal standard in quantitative mass spectrometry, ensuring the highest accuracy and reliability in analytical results. It is primarily utilized by pharmaceutical R&D laboratories, clinical research organizations, and forensic testing facilities for method development, pharmacokinetic studies, and doping control analysis.

Application

• Internal Standard for LC-MS/MS: Critical for the precise quantification of testosterone decanoate and related metabolites in complex biological matrices like plasma, serum, and urine.
• Pharmaceutical Research & Development: Used in drug metabolism and pharmacokinetic (DMPK) studies to track the absorption, distribution, metabolism, and excretion of androgen-based therapeutics.
• Clinical Diagnostics: Supports the development and validation of highly specific diagnostic assays for hormonal disorders.
• Doping Control Analysis: A vital reference material for anti-doping laboratories to accurately identify and confirm the presence of synthetic testosterone esters in athletes.
• Metabolic Pathway Tracing: Enables detailed studies of steroidogenic pathways and enzymatic activity in endocrinology research.
• Forensic Toxicology: Provides definitive analytical standards for legal and forensic investigations involving anabolic steroid use.

Basic Information

Product Name	Testosterone-D3 Decanoate
CAS No.	876054-57-8
Molecular Formula	C29H45D3O3
Molecular Weight	447.70 g/mol (approx.)
Synonyms	Testosterone-d3 Decanoate; [16,16,17-d3]-Testosterone 17-Decanoate; Androst-4-en-3-one, 17-[(1-oxodecyl)oxy]-, (17β)-, 16,16,17-d3-; Deuterated Testosterone Decanoate; Testosterone Decanoate-d3; 17β-Hydroxyandrost-4-en-3-one 17-decanoate-d3; Testosterone 17-Decanoate-d3
EINECS	Contact for details

Quality Control

Every batch of our Testosterone-D3 Decanoate is manufactured and analyzed under strict quality management systems. We guarantee high chemical purity and isotopic enrichment to meet the exacting demands of analytical reference standards. Comprehensive testing includes identity confirmation (NMR, IR), purity assay (HPLC), isotopic purity determination (MS), and residual solvent analysis. A Certificate of Analysis (COA) detailing all specifications and test results is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) or as indicated on the label. Keep the container in a dry, well-ventilated place. For long-term storage, consider storing at -20°C under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Isotopic Purity	≥ 98.0 atom % D
Chemical Purity	≥ 95.0%
Residual Solvents (GC)	Complies with ICH guidelines

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