Description

4-Acetamidobenzenesulphinic Acid-D4 is a deuterated isotopologue of 4-acetamidobenzenesulphinic acid, where four hydrogen atoms are replaced with deuterium. This deuteration is critical for applications requiring non-radioactive isotopic labeling, such as in mass spectrometry and NMR spectroscopy, where it serves as an internal standard or tracer. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and advanced material sectors for metabolic studies, reaction mechanism elucidation, and the development of deuterated active pharmaceutical ingredients (APIs).

Application

• As a deuterated internal standard for the precise quantification of its non-deuterated counterpart in analytical methods like LC-MS and GC-MS.
• In pharmaceutical research for studying drug metabolism and pharmacokinetics (DMPK) via isotopic tracing.
• As a key synthetic intermediate in the development of deuterated drug candidates, where deuteration can alter metabolic pathways and improve pharmacokinetic profiles.
• For NMR spectroscopy studies, providing a non-interfering signal for structural analysis and reaction monitoring.
• In agrochemical research to trace the environmental fate and metabolic pathways of sulfinic acid-based compounds.
• As a specialized building block in material science for creating labeled polymers or organic electronic materials.

Basic Information

Product Name	4-Acetamidobenzenesulphinic Acid-D4
CAS No.	1346604-52-1
Molecular Formula	C8H5D4NO3S
Molecular Weight	199.24 g/mol (deuterated form)
Synonyms	N-(4-Sulfinophenyl)acetamide-d4; p-Acetamidobenzenesulfinic Acid-d4; 4-Acetamidobenzenesulfinic Acid-d4; Deuterated 4-Acetamidobenzenesulphinic Acid; 4-(Acetylamino)benzenesulfinic Acid-d4; N-Acetyl-4-sulfinoaniline-d4; 4-Acetamidophenylsulfinic Acid-d4
EINECS	Contact for details

Quality Control

Every batch of 4-Acetamidobenzenesulphinic Acid-D4 is produced and analyzed under strict quality management protocols. We ensure high isotopic purity and chemical purity through advanced analytical techniques, including NMR, HPLC, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing assay, isotopic enrichment (D-content), and impurity profiles is provided with each shipment to guarantee consistency and reliability for your research and development needs.

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) and should be handled under a dry atmosphere or inert gas to prevent degradation. Keep the container tightly sealed when not in use.

Specification

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