Description

4-Ethyl-D5-Catechol CAS NO 1189508-64-2 is a deuterium-labeled analog of 4-ethylcatechol, where five hydrogen atoms are replaced with deuterium, serving as a critical internal standard for precise quantitative analysis. This high-purity, isotopically enriched compound is essential for ensuring accuracy and reliability in sensitive analytical techniques, particularly in complex matrices. It is primarily utilized by researchers and quality control laboratories in the pharmaceutical, agrochemical, and advanced material science sectors for method development, validation, and metabolic studies.

Application

• Internal Standard for Mass Spectrometry (MS): Used as a stable isotope-labeled internal standard in LC-MS and GC-MS for the accurate quantification of 4-ethylcatechol and related compounds in biological and environmental samples.
• Pharmaceutical Research: Critical for pharmacokinetic and metabolic studies, enabling precise tracking and measurement of drug metabolites and degradation products.
• Agrochemical Analysis: Employed in the development and validation of analytical methods for pesticide residue analysis and environmental fate studies.
• Chemical Synthesis Tracing: Acts as a deuterated building block or tracer in synthetic chemistry to study reaction mechanisms and pathways.
• Quality Control & Assurance: Provides a reference standard for calibrating instruments and verifying the purity of non-labeled 4-ethylcatechol in industrial batches.
• Forensic and Doping Control: Supports highly accurate analytical procedures in forensic toxicology and anti-doping laboratories.

Basic Information

Product Name	4-Ethyl-D5-Catechol
CAS No.	1189508-64-2
Molecular Formula	C8D5H3O2
Molecular Weight	141.19 g/mol
Synonyms	4-Ethylcatechol-d5; 1,2-Dihydroxy-4-ethylbenzene-d5; 3,4-Dihydroxyethylbenzene-d5; 4-Ethyl-1,2-benzenediol-d5; 4-Ethylpyrocatechol-d5; Deuterated 4-Ethylcatechol; [D5]-4-Ethylcatechol
EINECS	Contact for details

Quality Control

Every batch of 4-Ethyl-D5-Catechol is manufactured and analyzed under strict quality management protocols to ensure exceptional isotopic purity and chemical integrity. Our products undergo rigorous quality testing, including NMR and mass spectrometry, to confirm deuterium incorporation and chemical purity, ensuring compliance with research and analytical standards. A comprehensive Certificate of Analysis (COA) detailing batch-specific results for identity, purity, isotopic enrichment, and impurities is provided with each 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). Keep the container sealed to prevent moisture absorption and potential contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Isotopic Purity (D-content, MS)	≥ 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.