FH535 5MG. FH535, A Wnt pathway antagonist, CAS Number: 108409-83-2, Molecular Formula: C13H10Cl2N2O4S, Molecular Weight: 361. 2, Purity: greater than or equal to 98% by HPLC, Appearance: Off-white solid, Synonym: 2, 5-Dichloro-N-(2-methyl-4-nitrophenyl)benzenesulfonamide, Size: 5MG