Description

3-Ethoxy-Androsta-3,5-Dien-17-Ol-D3 is a deuterated steroid derivative, serving as a crucial labeled intermediate in advanced pharmaceutical research and development. Its core value lies in providing a stable isotopic marker for metabolic and pharmacokinetic studies, enabling precise analytical tracking. This compound is essential for researchers and manufacturers in the pharmaceutical industry, particularly those developing and analyzing novel steroid-based therapeutics and diagnostic agents.

Application

• Pharmaceutical Research: Used as a stable isotope-labeled internal standard in LC-MS and GC-MS analysis for quantitative bioanalytical studies.
• Metabolic Pathway Tracing: Employed in deuterium labeling experiments to investigate the metabolic fate and biotransformation pathways of steroid compounds.
• Drug Development: Serves as a key synthetic intermediate in the preparation of deuterated drug candidates for enhanced pharmacokinetic properties.
• Clinical Diagnostics: Acts as a reference compound in the development of high-precision diagnostic assays for hormonal analysis.
• Academic Research: Utilized in universities and research institutes for fundamental studies in steroid chemistry and biochemistry.

Basic Information

Product Name	3-Ethoxy-Androsta-3,5-Dien-17-Ol-D3
CAS No.	165304-83-6
Molecular Formula	C21H29D3O2
Molecular Weight	319.51 g/mol (approx.)
Synonyms	17β-Hydroxy-3-ethoxyandrosta-3,5-diene-d3; 3-Ethoxy-17β-hydroxyandrosta-3,5-diene-d3; Deuterated 3-Ethoxyandrostadienol; Androsta-3,5-dien-17-ol, 3-ethoxy-, (17β)-, d3; 3-Ethoxyandrostadienol-d3; 3-Ethoxy-δ3,5-androstadien-17β-ol-d3
EINECS	Contact for details

Quality Control

Our 3-Ethoxy-Androsta-3,5-Dien-17-Ol-D3 is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and isotopic enrichment verification, to ensure it meets the stringent requirements of research and development applications. A Certificate of Analysis (COA) detailing specific results for identity, purity (assay), isotopic purity, and related substances 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 (typically 15-25°C). This product is light-sensitive and should be handled under appropriate conditions to maintain stability.

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 (D3)	≥ 98 atom % D
Water Content (KF)	≤ 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.