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Celecoxib Impurity 21

SZ CAT No SZ-C005031
CAS No 2247197-66-4
Mol.F. C18H15F3N2O3S
Mol.Wt. 396.4
Inv. Status Custom Synthesis

Chemical Name: Methyl 4-(5-(p-tolyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)benzenesulfonate

Smiles: FC(F)(C1=NN(C2=CC=C([S](OC)(=O)=O)C=C2)C(C3=CC=C(C)C=C3)=C1)F

Inchi: InChI=1S/C17H15F3N2O3S/c1-11-2-4-12(5-3-11)15(10-16(23)17(18,19)20)22-13-6-8-14(9-7-13)26(21,24)25/h2-9H,10H2,1H3,(H2,21,24,25)/b22-15+

Development of a Unified Reversed-Phase HPLC Method for Efficient Determination of EP and USP Process-Related Impurities in Celecoxib Using Analytical Quality by Design Principles
Tim Tome, Zdenko Časar ,OrcID andAleš Obreza
Molecules 2020, 25(4), 809
A selective and sensitive LC-MS/MS method for the simultaneous determination of twopotential genotoxic impurities in celecoxib
Ambavaram Vijaya Bhaskar Reddy, Nandigam Venugopal & Gajulapalle Madhavi
Journal of Analytical Science and Technology volume 5, Article number: 18 (2014)
Stability-Indicating HPLC Method for Quantification of Celecoxib and Diacerein Along With Its Impurities in Capsule Dosage Form
Hanimi Reddy Bapatu, Ravi Kumar Maram, R. Satyanarayana Murthy
Journal of Chromatographic Science, Volume 53, Issue 1, January 2015, Pages 144–153