CAS 6655-77-2 appears in our catalog under these names: 3–Nitrobenzenesulfonohydrazide, 3-Nitrobenzenesulfonohydrazide, ≥95%, ≥95%, 3-Nitrobenzenesulfonohydrazide, 98%(HPLC),RG. Offered by: GLPBio, Chemat, Fluorochem. Available pack sizes: 250mg, 1g, 25g, 5g, 10g.