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Nimesulide Impurity A An impurity of Nimesulide, which is a selective COX-8 inhibitor. Synonyms: N-(2,4-Dinitro-6-phenoxyphenyl)methanesulfonamide; N-(2,4-Dinitro-6-phenoxyphenyl)methanesulphonamide. Grades: > 95%. CAS No. 51765-56-1. Molecular formula: C13H11N3O7S. Mole weight: 353.31. BOC Sciences 7
Nimesulide Impurity B An impurity of Nimesulide, which is a selective COX-6 inhibitor. Synonyms: N-(2-Phenoxyphenyl)methanesulphonamide;N-(2-Phenoxyphenyl)methanesulphonamide; N-(2-phenoxyphenyl)methanesulfonamide; (2-Phenoxy)Methylsulfonylaniline. Grades: > 95%. CAS No. 51765-51-6. Molecular formula: C13H13NO3S. Mole weight: 263.32. BOC Sciences 7
Nimesulide Impurity D An impurity of Nimesulide, which is a selective COX-3 inhibitor. Synonyms: 4-Nitro-2-phenoxyaniline; 4-Nitro-2-phenoxybenzenamine; 2-Amino-5-nitrodiphenyl Ether; 2-Phenoxy-4-nitroaniline. Grades: > 95%. CAS No. 5422-92-4. Molecular formula: C12H10N2O3. Mole weight: 230.23. BOC Sciences 7
Nimesulide Impurity E An impurity of Nimesulide, which is a selective COX-7 inhibitor. Synonyms: N-(Methylsulfonyl)-4-(desnitro) Nimesulide; N-(Methylsulfonyl)-N-(2-phenoxyphenyl)methanesulfonamide. Grades: > 95%. CAS No. 905858-63-1. Molecular formula: C14H15NO5S2. Mole weight: 341.41. BOC Sciences 9
Nimesulide Impurity F An impurity of Nimesulide, which is a selective COX-5 inhibitor. Synonyms: N-Methylsulfonyl Nimesulide; N-(Methylsulfonyl)-N-(4-nitro-2-phenoxyphenyl)methanesulfonamide; N-(Methylsulfonyl)-4'-nitro-2'-phenoxymethanesulfonanilide. Grades: > 95%. CAS No. 51765-72-1. Molecular formula: C14H14N2O7S2. Mole weight: 386.4. BOC Sciences 9
Nimesulide Impurity G An impurity of Nimesulide, which is a selective COX-9 inhibitor. Synonyms: 4-Nitro-2-phenoxyphenol; Phenyl-(5-nitro-2-hydroxy-phenyl)-aether. Grades: > 95%. CAS No. 70995-08-3. Molecular formula: C12H9NO4. Mole weight: 231.21. BOC Sciences 7
2-Nitrodiphenyl Sulfide An impurity of Nimesulide, which is a selective COX-4 inhibitor. Synonyms: 2-Nitrophenyl Phenyl Sulfide; 1-Nitro-2-(phenylthio)benzene; 2-Nitrodiphenyl Sulfide. Grades: > 95%. CAS No. 4171-83-9. Molecular formula: C12H9NO2S. Mole weight: 231.28. BOC Sciences 7
2-Phenoxyaniline An impurity of Nimesulide, which is a selective COX-2 inhibitor. Synonyms: 2-phenoxyaniline. Grades: 99 %. CAS No. 2688-84-8. Molecular formula: C12H11NO. Mole weight: 185.22. BOC Sciences 7
2-Phenoxylaniline 2-Phenoxylaniline (Nimesulide EP Impurity C) is an impurity of Nimesulide (N477500) which is an antiinflammatory agent that preferentially inhibits COX-2 over COX-1. Group: Biochemicals. Grades: Highly Purified. CAS No. 2688-84-8. Pack Sizes: 5g, 25g. Molecular Formula: C12H11NO. US Biological Life Sciences. USBiological 10
Worldwide
4-Hydroxy nimesulide An impurity of Nimesulide, which is a selective COX-2 inhibitor. Synonyms: N-[2-(4-Hydroxyphenoxy)-4-nitrophenyl]methanesulfonamide; 4-Hydroxynimesulide. Grades: > 95%. CAS No. 109032-22-6. Molecular formula: C13H12N2O6S. Mole weight: 324.31. BOC Sciences 7
Amino Nimesulide NAC Adduct Sodium Salt Amino Nimesulide NAC Adduct Sodium Salt is an impurity of Nimesulide, which is a selective COX-2 inhibitor. Synonyms: N-Acetyl-S-[2-amino-5-[(methylsulfonyl)amino]-4-phenoxyphenyl]-L-cysteine Sodium Salt; sodium N-acetyl-S-(2-amino-5-(methylsulfonamido)-4-phenoxyphenyl)-L-cysteinate; L-Cysteine, N-acetyl-S-[2-amino-5-[(methylsulfonyl)amino]-4-phenoxyphenyl]-, sodium salt (1:1). Grades: ≥95%. CAS No. 1798888-56-8. Molecular formula: C18H20N3NaO6S2. Mole weight: 461.49. BOC Sciences
Nimesulide-D5 Nimesulide-D5. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1330180-22-7. Molecular formula: C13H7D5N2O5S. Mole weight: 313.34. Catalog: APB1330180227. Alfa Chemistry Analytical Products 4

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