Valdecoxib Sulfonic Acid-13C2,15N Price Not Available 25mg Valdecoxib Sulfonic Acid-13C2,15N Supplier Page Catalog Number R056776 Molecular Formula C16H13NO4S CAS# 1391053-52-3 Purity ≥98% Inchi InChI=1S/C16H13NO4S/c1-11-15(12-7-9-14(10-8-12)22(18,19)20)16(17-21-11)13-5-3-2-4-6-13/h2-10H,1H3,(H,18,19,20)/i1+1,11+1,17+1 Inchi Key LLWOSCPRJRUVST-DBSSFUHWSA-N SMILES CC1=C(C(=NO1)C2=CC=CC=C2)C3=CC=C(C=C3)S(=O)(=O)O Size 25mg Supplier Page https://www.musechem.com/product/R056776.html