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Celecoxib {4-[5-(4-methylphenyl)-3-trifluoromethyl-1H-pyrazol-1-yl]benezenesulfonamide} is one of the selective COX-II inhibitors with anti-inflammatory activity. The molecules are connected into a chain by an intermolecular hydrogen bond between the N and O atoms of sulfonamide groups in neighbouring molecules.
Supporting information
![cif](https://journals.iucr.org//../logos/filetypeicons/bw/b1/ciflogo.png) | Crystallographic Information File (CIF) Contains datablocks DRF4214, I |
![hkl](https://journals.iucr.org//../logos/filetypeicons/bw/b1/hkllogo.png) | Structure factor file (CIF format) Contains datablock I |
CCDC reference: 139718
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