Description

Sulfadiazine-D4 is a deuterium-labeled internal standard essential for precise quantitative analysis in mass spectrometry. This high-purity compound is critical for ensuring accuracy and reliability in research and quality control laboratories. It is primarily used by analytical chemists and researchers in the pharmaceutical, contract research organization (CRO), and forensic toxicology sectors for method development and validation.

Application

• Internal Standard for LC-MS/MS and GC-MS analysis of Sulfadiazine and related sulfonamides.
• Quantitative bioanalysis in pharmacokinetic and metabolism studies.
• Quality control and method validation in pharmaceutical manufacturing.
• Residue testing in food safety and veterinary drug monitoring programs.
• Forensic analysis and clinical toxicology for accurate quantification.
• Stable isotope dilution assays to ensure high precision and minimize matrix effects.

Basic Information

Product Name	Sulfadiazine-D4
CAS No.	1020719-78-1
Molecular Formula	C10H6D4N4O2S
Molecular Weight	254.30 g/mol
Synonyms	2-Sulfanilamidopyrimidine-d4; 4-Amino-N-(2-pyrimidinyl)benzenesulfonamide-d4; N1-(2-Pyrimidinyl)sulfanilamide-d4; Sulfadiazine (phenyl-d4); Sulfadiazine-d4 (phenyl ring deuterated); Deuterated Sulfadiazine; Sulfadiazine Internal Standard
EINECS	Contact for details

Quality Control

Our Sulfadiazine-D4 is manufactured under strict quality systems to ensure the highest isotopic and chemical purity required for analytical applications. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing isotopic enrichment (D, atom %), chemical purity by HPLC, and confirmation of structure. We support compliance with GMP/GLP guidelines for research use.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry environment. The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

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