or
5-METHYL-1-PHENYL-1H-PYR 5GR
5-Methyl-1-phenyl-1H-pyrazole-4-sulfonyl chloride; 95%; Maybridge; 5g; F.W. 256.71; C10H9ClN2O2S; m.p. 57deg.C; CAS: 342405-38-3