N-Acetyl sulfapyridine-d4

• CAT Number: R010670
• CAS Number: 1189732-52-2
• Molecular Formula: C13H9D4N3O3S
• Molecular Weight: 295.35
• Purity: ≥95%
• Synonyms: N-[2,3,5,6-tetradeuterio-4-(pyridin-2-ylsulfamoyl)phenyl]acetamide
• InChI: InChI=1S/C13H13N3O3S/c1-10(17)15-11-5-7-12(8-6-11)20(18,19)16-13-4-2-3-9-14-13/h2-9H,1H3,(H,14,16)(H,15,17)/i5D,6D,7D,8D
• InChIKey: CYLYVXPHAQLXFG-KDWZCNHSSA-N
• SMILES: [2H]C1=C(C(=C(C(=C1NC(=O)C)[2H])[2H])S(=O)(=O)NC2=CC=CC=N2)[2H]

N-Acetyl sulfapyridine-d₄（Cat No.:R010670）is a deuterium-labeled derivative of N-acetyl sulfapyridine, a primary metabolite of the sulfonamide antibiotic sulfapyridine. Incorporating four deuterium atoms, this stable isotope-labeled compound is ideal for use as an internal standard in mass spectrometry-based pharmacokinetic, metabolic, and drug monitoring studies. It aids in precise quantification of sulfapyridine and its metabolites in biological matrices. N-Acetyl sulfapyridine-d₄ supports research into drug metabolism, acetylation processes, and sulfonamide pharmacodynamics, especially in relation to slow and fast acetylator phenotypes in personalized medicine.