4-Nitrobenzenesulfonic Acid Hydrate Price Not Available 5mg 4-Nitrobenzenesulfonic Acid Hydrate Supplier Page Catalog Number R055393 Molecular Formula C6H5NO5S CAS# 138-42-1 Purity ≥98% Inchi InChI=1S/C6H5NO5S/c8-7(9)5-1-3-6(4-2-5)13(10,11)12/h1-4H,(H,10,11,12) Inchi Key SPXOTSHWBDUUMT-UHFFFAOYSA-N SMILES C1=CC(=CC=C1[N+](=O)[O-])S(=O)(=O)O Size 5mg Supplier Page https://www.musechem.com/product/R055393.html