6-Amino-4-hydroxy-2-naphthalenesulfonic Acid Price Not Available 1mg 6-Amino-4-hydroxy-2-naphthalenesulfonic Acid Supplier Page Catalog Number R019757 Molecular Formula C10H9NO4S CAS# 90-51-7 Purity ≥98% Inchi InChI=1S/C10H9NO4S/c11-7-2-1-6-3-8(16(13,14)15)5-10(12)9(6)4-7/h1-5,12H,11H2,(H,13,14,15) Inchi Key HBZVNWNSRNTWPS-UHFFFAOYSA-N SMILES C1=CC(=CC2=C(C=C(C=C21)S(=O)(=O)O)O)N Size 1mg Supplier Page https://www.musechem.com/product/R019757.html