Description

4-[4-(Methylsulfonyl)Phenyl]-3-(Phenyl-D5)- is a high-purity deuterated aromatic compound, serving as a critical stable isotope-labeled intermediate. Its primary value lies in enabling advanced analytical and research applications where precise molecular tracking and minimal background interference are paramount. This product is essential for pharmaceutical R&D laboratories, analytical reference standard producers, and contract research organizations (CROs) focused on metabolism studies, pharmacokinetics, and quantitative mass spectrometry.

Application

• Internal Standard for LC-MS/MS: Used as a deuterium-labeled internal standard in bioanalytical method development for accurate quantification of parent compounds in biological matrices.
• Pharmaceutical Metabolite Research: Critical for tracing drug metabolism pathways and identifying metabolites in preclinical and clinical studies.
• Isotope Dilution Mass Spectrometry (IDMS): Employed in high-precision quantitative analysis to improve accuracy and correct for sample preparation losses.
• Synthesis of Deuterated APIs: Acts as a key building block for the synthesis of active pharmaceutical ingredients (APIs) labeled with stable isotopes.
• Environmental Fate Studies: Utilized in research to track the environmental degradation and transformation of chemical compounds.
• Forensic Analysis: Supports definitive identification and quantification in forensic toxicology applications.

Basic Information

Product Name	4-[4-(Methylsulfonyl)Phenyl]-3-(Phenyl-D5)-
CAS No.	544684-93-7
Molecular Formula	C19H11D5O2S
Molecular Weight	311.42 g/mol
Synonyms	3-(Pentadeuteriophenyl)-4-[4-(methylsulfonyl)phenyl]-; 4-(4-Methylsulfonylphenyl)-3-(phenyl-d5)-; 3-(Phenyl-d5)-4-[4-(methylsulfonyl)phenyl]-; Deuterated Sulfone Derivative; (Phenyl-d5)-methylsulfonylphenyl Compound; Isotope Labeled Sulfone Intermediate; MS/MS Internal Standard 544684-93-7
EINECS	Contact for details

Quality Control

Every batch of 4-[4-(Methylsulfonyl)Phenyl]-3-(Phenyl-D5)- is manufactured under strict quality management systems. We guarantee high chemical purity and isotopic enrichment, verified through advanced analytical techniques. A comprehensive Certificate of Analysis (COA) detailing purity (by HPLC), isotopic purity (by MS), and identity confirmation is provided with each shipment to ensure compliance with your research and development specifications.

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 compound is hygroscopic (moisture-sensitive); the container must be kept tightly sealed in a dry environment to prevent degradation. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Isotopic Purity (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.