Description

Acetanilide-p-Sulfonic Acid-D4 Pyridine is a high-purity, deuterium-labeled chemical reference standard. This compound is essential for analytical applications requiring precise quantification and method validation, particularly in mass spectrometry. It is primarily utilized by researchers and quality control laboratories in the pharmaceutical, agrochemical, and environmental testing sectors where isotope dilution techniques are critical for accuracy.

Application

• Internal Standard for LC-MS/MS and GC-MS analysis in pharmacokinetic and metabolomic studies.
• Quantitative reference material for the analysis of its non-deuterated counterpart or related sulfonamide compounds.
• Method development and validation in regulatory-compliant analytical laboratories (e.g., FDA, EMA).
• Tracer compound in environmental fate studies and residue analysis.
• Stable isotope-labeled standard for forensic and toxicological analysis.
• Research tool in organic synthesis and mechanistic studies utilizing deuterium labels.

Basic Information

Product Name	Acetanilide-p-Sulfonic Acid-D4 Pyridine
CAS No.	1794782-52-7
Molecular Formula	C13H8D4N2O4S
Molecular Weight	~296.33 g/mol
Synonyms	N-(4-Sulfophenyl)acetamide-d4 Pyridine Salt; 4-Acetamidobenzenesulfonic Acid-d4 Pyridine Salt; p-Acetamidobenzenesulfonic Acid-d4 Pyridinium Salt; Deuterated Acetanilide Sulfonic Acid Pyridine Salt; [D4]-Acetanilide-p-Sulfonic Acid Pyridine; AAPS-d4 Pyridine Salt; Isotopically Labeled Internal Standard for Sulfacetamide Analysis
EINECS	Contact for details

Quality Control

Every batch of Acetanilide-p-Sulfonic Acid-D4 Pyridine is manufactured and tested under strict quality management systems. We guarantee high chemical purity and isotopic enrichment, supported by comprehensive analytical data including NMR, MS, and HPLC. Certificates of Analysis (COA) detailing purity, isotopic purity (D-enrichment), and impurity profiles are provided with each shipment to ensure compliance with research and regulatory standards.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry environment. This material is hygroscopic (moisture-sensitive).

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Isotopic Purity (D-enrichment)	≥ 98 atom % D
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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