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Catalog No.:A20070  
Product: Parecoxib impurity  
CAS No. 1373038-59-5  
Chemical Name: 4,4'-(5-methylisoxazole-3,4-diyl)dibenzenesulfonamide  
Molecular Formula: C16H15N3O5S2  
Molecular Weight: 393.44  
Assay:95%  
Appearance:  
SMILES:CC1=C(C2=CC=C(S(=O)(N)=O)C=C2)C(C3=CC=C(S(=O)(N)=O)C=C3)=NO1  
Storage Condition:  
Remark: