CAS 41931-13-9 appears in our catalog under these names: LCS–1, LCS-1 98%, LCS-1, 99.81%, 4,5-Dichloro-2-m-tolylpyridazin-3(2H)-one, 98%. Offered by: GLPBio, Ambeed, MedChemExpress, Fluorochem. Available pack sizes: 10mg, 100mg, 25mg, 5mg, 50mg, 250mg, 1g, 5g.