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Technical Data Sheet Nimesulide

Compound Information
Product Name: Nimesulide
CAS No.: 51803-78-2
Molecular Formula: C13H12N2O5S
Molecular Weight: 308.31
Storage: Store at 2 -8 °C
Revision Date: 2026-04-15
Analytical Information
Tests Specifications
Description Nimesulide is a relatively COX-2 selective inhibitor with IC50 of 26 μM.
Form Solid
Color Light orange to Yellow to Green
Melting Point 140-146°C
Assay by titration ≥ 98%
Purity by HPLC ≥ 98%
Solubility DMSO 60 mg/mL
NMR Pass test
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