1H-Pyrazole-4-sulfonamide,1,5-dimethyl-(9CI)

1,5-Dimethyl-1H-pyrazole-4-sulfonamide-D3 is the isomer of 1,3-Dimethyl-1H-pyrazole-4-sulfonamide-d3 (D481856) which is the labeled form of 1,3-Dimethyl-1H-pyrazole-4-sulfonamide(D481855). 1,3-Dimethyl-1H-pyrazole-4-sulfonamide is used as a reagent in the synthetic preparation of herbicides.