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Etoricoxib impurity 1 An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 6'-Desmethyl-6'-carboxy Etoricoxib; 5-Chloro-3-[4-(methylsulfonyl)phenyl]-[2,3'-bipyridine]-6'-carboxylic Acid. Grades: > 95%. CAS No. 349536-39-6. Molecular formula: C18H13ClN2O4S. Mole weight: 388.83. BOC Sciences 7
Etoricoxib Impurity 10 An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 5-chloro-2-(6-methylpyridin-3-yl)-3-(4-methylsulfinylphenyl)pyridine. Grades: > 95%. CAS No. 316149-01-6. Molecular formula: C18H15ClN2OS. Mole weight: 342.85. BOC Sciences 9
Etoricoxib Impurity 12 An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 6-chloro-2-(6-methyl-3-pyridinyl)-3-[4-(methylsulfonyl)phenyl]-1,8-Naphthyridine. Grades: > 95%. CAS No. 646459-41-8. Molecular formula: C21H16ClN3O2S. Mole weight: 409.90. BOC Sciences 7
Etoricoxib Impurity 13 An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 2-((4-(5-chloro-6'-methyl-[2,3'-bipyridin]-3-yl)phenyl)sulfonyl)-1-(6-methylpyridin-3-yl)ethanone. Grades: > 95%. Molecular formula: C25H20ClNO3S. Mole weight: 477.97. BOC Sciences 7
Etoricoxib Impurity 14 An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 3-(6-methylpyridin-3-yl)-2-(4-(methylsulfonyl)phenyl)-3-oxopropanoic acid. Grades: > 95%. Molecular formula: C16H15NO5S. Mole weight: 333.37. BOC Sciences 7
Etoricoxib Impurity 15 An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 2-Chlor-3-dimethylamino-propenal; 3-dimethylaminochloroacrolein. Grades: > 95%. CAS No. 73312-69-3. Molecular formula: C5H8ClNO. Mole weight: 133.58. BOC Sciences 7
Etoricoxib Impurity 16 An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 5-chloro-6'-methyl-3-(4-(methylsulfonyl)phenyl)-2,3'-bipyridine. Grades: > 95%. Molecular formula: C18H15ClN2S. Mole weight: 326.85. BOC Sciences 7
Etoricoxib Impurity 17 An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: Etoricoxib Impurity M; Etoricoxib Impurity O. Grades: > 95%. CAS No. 307531-95-9. Molecular formula: C15H15NO2S. Mole weight: 273.36. BOC Sciences 7
Etoricoxib Impurity 18 An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 2-methyl-5- (2- (4- (methylsulfonyl) phenyl) acetyl) pyridine 1-oxide. Grades: > 95%. Molecular formula: C15H15NO4S. Mole weight: 305.36. BOC Sciences 7
Etoricoxib Impurity 19 An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 2-methyl-5-(3-(4-(methylsulfonyl)phenyl)furan-2-yl)pyridine. Grades: > 95%. Molecular formula: C17H15NO3S. Mole weight: 313.38. BOC Sciences 7
Etoricoxib Impurity 19 Etoricoxib Impurity 19. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 1-(4-(methylsulfonyl)phenyl)ethanone. CAS No. 10297-73-1. Molecular formula: C9H10O3S. Mole weight: 198.24. Catalog: APB10297731. Alfa Chemistry Analytical Products 4
Etoricoxib impurity 2 An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 6'-Desmethyl-6'-methylhydroxy Etoricoxib; 5-Chloro-3-[4-(methylsulfonyl)phenyl]-[2,3'-bipyridine]-6'-methanol. Grades: > 95%. CAS No. 349536-41-0. Molecular formula: C18H15ClN2O3S. Mole weight: 374.85. BOC Sciences 7
Etoricoxib Impurity 20 An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 6'-methyl-3-(4-(methylsulfonyl)phenyl)-[2,3'-bipyridin]-5-amine. Grades: > 95%. Molecular formula: C18H17N3O2S. Mole weight: 339.42. BOC Sciences 7
Etoricoxib Impurity 21 An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 5-chloro-6'-methyl-3-(4-(methylsulfonyl)phenyl)-[2,3'-bipyridine] 1-oxide. Grades: > 95%. Molecular formula: C18H15ClN2O3S. Mole weight: 374.85. BOC Sciences 7
Etoricoxib Impurity 22 An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: (E)-2,4-dimethylpent-2-enimidamide HCl. Grades: > 95%. Molecular formula: C5H9ClN2. HCl. Mole weight: 132.59 36.46. BOC Sciences 7
Etoricoxib Impurity 3 An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: (E)-5-(1,3-bis(4-(methylsulfonyl)phenyl)prop-1-en-2-yl)-2-methylpyridine. Grades: > 95%. Molecular formula: C23H23NO4S2. Mole weight: 441.57. BOC Sciences 7
Etoricoxib Impurity 4 An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 5-chloro-3-(4-(ethylsulfonyl)phenyl)-6'-methyl-2,3'-bipyridine. Grades: > 95%. Molecular formula: C19H17ClN2O2S. Mole weight: 372.88. BOC Sciences 7
Etoricoxib Impurity 48 Etoricoxib Impurity 48. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-methyl-5-(2-(4-(methylsulfonyl)phenyl)acetyl)pyridine 1-oxide. CAS No. 1027162-35-1. Molecular formula: C15H15NO4S. Mole weight: 305.35. Catalog: APB1027162351. Alfa Chemistry Analytical Products 4
Etoricoxib Impurity 5 Lithium Salt An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: lithiuM 2-(4-(Methylsulfonyl)phenyl)acetate. Grades: > 95%. CAS No. 1421227-96-4. Molecular formula: C9H9O4S Li. Mole weight: 220.17. BOC Sciences 7
Etoricoxib Impurity 6 An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 2-(4-(methylsulfonyl)phenyl)-1-morpholinoethanone. Grades: > 95%. Molecular formula: C13H17NO4S. Mole weight: 283.35. BOC Sciences 7
Etoricoxib Impurity 7 An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: N,N-dimethyl-6-(6-methylpyridin-3-yl)-5-(4-methylsulfonylphenyl)pyridin-3-amine. Grades: > 95%. CAS No. 646459-39-4. Molecular formula: C20H21N3O2S. Mole weight: 367.47. BOC Sciences 9
Etoricoxib Impurity 8 An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 1-(6-methylpyridin-3-yl)-2-({4-[2-(6-methylpyridin-3-yl)-2-oxoethyl]phenyl}sulfonyl)ethanone. Grades: > 95%. CAS No. 1421227-97-5. Molecular formula: C22H20N2O4S. Mole weight: 408.48. BOC Sciences 7
Etoricoxib Impurity 9 An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 2-(4-(methylsulfonyl)phenyl)-1-morpholinoethanethione. Grades: > 95%. Molecular formula: C13H17NO3S2. Mole weight: 299.41. BOC Sciences 7
Etoricoxib Impurity AJ An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Grades: ≥95%. Molecular formula: C18H17N3O2S. Mole weight: 339.41. BOC Sciences 8
Etoricoxib Impurity D An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 2-(4-Methanesulfonyl-phenyl)-1-(6-methyl-pyridin-3-yl)-ethanone. Grades: > 95%. CAS No. 221615-75-4. Molecular formula: C15H15NO3S. Mole weight: 289.36. BOC Sciences 7
Etoricoxib Impurity QJ An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Grades: ≥95%. Molecular formula: C18H16N2O3S. Mole weight: 340.40. BOC Sciences 8
1-(6-Methyl-1-oxido-3-pyridinyl)-2-[4-(methylsulfonyl)phenyl]ethanone An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: Etoricoxib YY. Grades: ≥95%. CAS No. 1027162-35-1. Molecular formula: C15H15NO4S. Mole weight: 305.35. BOC Sciences 8
1-(6-Methylpyridin-3-yl)-2-(4-(methylthio)phenyl)ethan-1-one An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 3-[2-(4-(methylthio)phenyl)acetyl](6-methyl)pyridine; Ethanone, 1-(6-ethyl-3-yridinyl)-2-4-(methylthio)henyl]-; Etoricoxib Impurity P. Grades: ≥95%. CAS No. 221615-72-1. Molecular formula: C15H15NOS. Mole weight: 257.35. BOC Sciences 8
2-(4-Methanesulfonylphenyl)-1-pyridin-3-ylethanone 2-(4-Methanesulfonylphenyl)-1-pyridin-3-ylethanone is an intermediate in synthesizing Desmethyl Etoricoxib (D296895), which is an impurity of Etoricoxib (E934100), a specific inhibitor of COX-2. Group: Biochemicals. Grades: Highly Purified. CAS No. 40061-50-5. Pack Sizes: 10mg, 25mg. Molecular Formula: C14H13NO3S. US Biological Life Sciences. USBiological 9
Worldwide
2-(6-Methylpyridin-3-yl)-3-(4-methylsulfonylphenyl)pyridine An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 6'-methyl-3-(4-(methylsulfonyl)phenyl)-2,3'-bipyridine; Etoricoxib C; 2,3'-Bipyridine, 6'-methyl-3-[4-(methylsulfonyl)phenyl]-. Grades: ≥95%. CAS No. 1350206-14-2. Molecular formula: C18H16N2O2S. Mole weight: 324.40. BOC Sciences 8
4-(Methylsulfonyl)acetophenone An impurity of Etoricoxib. Synonyms: 1-(4-Methylsulfonylphenyl)ethanone; 1-[4-(Methylsulfonyl)phenyl]ethan-1-one; 4- (Methanesulfonyl)acetophenone; 4-(Methylsulfonyl)propiophenone; 4-Methylsulfonylacetophenone; 4'-(Methylsulfonyl)acetophenone. Grades: > 95%. CAS No. 10297-73-1. Molecular formula: C9H10O3S. Mole weight: 198.24. BOC Sciences 7
5-Chloro-2-(6-methylpyridin-3-yl)-3-(4-methylsulfanylphenyl)pyridine An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 3-[4-(Methylthio)phenyl]-5-chloro-6'-methyl-2,3'-bipyridine; Etoricoxib B; 5-chloro-6'-methyl-3-(4-(methylthio)phenyl)-2,3'-bipyridine. Grades: ≥95%. CAS No. 292067-97-1. Molecular formula: C18H15ClN2S. Mole weight: 326.84. BOC Sciences 8
6-Chloro-2-(6-methyl-3-pyridinyl)-3-[4-(methylsulfonyl)phenyl]-1,8-naphthyridine 6-Chloro-2-(6-methyl-3-pyridinyl)-3-[4-(methylsulfonyl)phenyl]-1,8-naphthyridine. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Naphthyridine Etoricoxib, 6-Chloro-2-(6-methyl-3-pyridyl)-3-(4-methylsulfonylphenyl)-1,8-naphthyridine,1,8-Naphthyridine, 6-chloro-2-(6-methyl-3-pyridinyl)-3-[4-(methylsulfonyl)phenyl]-. CAS No. 646459-41-8. Pack Sizes: 10MG. IUPAC Name: 6-chloro-2-(6-methylpyridin-3-yl)-3-(4-methylsulfonylphenyl)-1,8-naphthyridine. Molecular formula: C21H16ClN3O2S. Mole weight: 409.89. Catalog: APS646459418. SMILES: Cc1ccc(cn1)c2nc3ncc(Cl)cc3cc2c4ccc(cc4)S(=O)(=O)C. Format: Neat. Shipping: Room Temperature. Alfa Chemistry Analytical Products 4
Desmethyl Etoricoxib An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 5-Chloro-3-(4-methylsulfonylphenyl)-2-(3-pyridyl)pyridine. Grades: > 95%. CAS No. 202409-31-2. Molecular formula: C17H13ClN2O2S. Mole weight: 344.82. BOC Sciences 9
Desmethyl Etoricoxib Desmethyl Etoricoxib. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 5-Chloro-3-[4-(methylsulfonyl)phenyl]-2,3'-bipyridine, 5-Chloro-3-(4-methylsulfonylphenyl)-2-(3-pyridyl)pyridine. CAS No. 202409-31-2. Pack Sizes: 10MG. IUPAC Name: 5-chloro-3-(4-methylsulfonylphenyl)-2-pyridin-3-ylpyridine. Molecular formula: C17H13ClN2O2S. Mole weight: 344.82. Catalog: APS202409312A. SMILES: CS(=O)(=O)c1ccc(cc1)c2cc(Cl)cnc2c3cccnc3. Format: Neat. Shipping: Room Temperature. Alfa Chemistry Analytical Products 4
Etoricoxib N-Oxide An impurity of Etoricoxib. Etoricoxib is a selective COX-2 inhibitor. Synonyms: 5-Chloro-6'-methyl-3-[4-(methylsulfonyl)phenyl]-2,3'-bipyridine 1'-Oxide. Grades: > 95%. CAS No. 325855-74-1. Molecular formula: C18H15ClN2O3S. Mole weight: 374.85. BOC Sciences 9

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