Celecoxib Celecoxib Synonyms: CELEBREX; 4-[[5-(4-METHYLPHENYL)-3-TRIFLUOROMETHYL]-1H-PYRAZOL-YL]BENZENESULFONAMIDE; 4-[5-((4-METHYLPHENYL)-3-TRIFLUORPMETHYL)-1H-PYRAZOL-YL]BENENESULFONAMIDE; Celecoxib, 4-[5-(4-Methylphenyl)-3-trifluoromethyl)-1H-pyrazol-yl]benzenesulfonamide; Benzenesulfonamide, 4-5-(4-methylphenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl-; 4-[5-(4-methylphenyl)-3-(trifluoromethyl)pyrazol-1-yl]benzenesulfonamide; Celebra- CAS NO.: 169590-42-5 Formula: C17H14F3N3O2S Weight: 381.37