Sulfapyridine-d4 Price Not Available 5mg Sulfapyridine-d4 Supplier Page Catalog Number R010953 Molecular Formula C₁₁H₁₁N₃O₂S CAS# 1189863-86-2 Purity ≥90% Inchi InChI=1S/C11H11N3O2S/c12-9-4-6-10(7-5-9)17(15,16)14-11-3-1-2-8-13-11/h1-8H,12H2,(H,13,14)/i4D,5D,6D,7D Inchi Key GECHUMIMRBOMGK-UGWFXTGHSA-N SMILES C1=CC=NC(=C1)NS(=O)(=O)C2=CC=C(C=C2)N Size 5mg Supplier Page https://www.musechem.com/product/R010953.html