Desmethyl Piroxicam (Piroxicam Impurity B) Price Not Available 10mg Desmethyl Piroxicam (Piroxicam Impurity B) Supplier Page Catalog Number R011193 Molecular Formula C14H11N3O4S CAS# 65897-46-3 Purity ≥95% Inchi InChI=1S/C14H11N3O4S/c18-13-9-5-1-2-6-10(9)22(20,21)17-12(13)14(19)16-11-7-3-4-8-15-11/h1-8,17-18H,(H,15,16,19) Inchi Key XRXYFCIBSPQECM-UHFFFAOYSA-N SMILES C1=CC=C2C(=C1)C(=C(NS2(=O)=O)C(=O)NC3=CC=CC=N3)O Size 10mg Supplier Page https://www.musechem.com/product/R011193.html