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Alfa Chemistry is a global leading supplier of analytical chemistry reagents, providing a wide range of analytical chemicals such as analytical standards for a variety of analytical applications.

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Product
Cefoxitin Open Ring Impurity Cefoxitin Open Ring Impurity. Uses: For analytical and research use. Alternative Names: (R)-5-((carbamoyloxy)methyl)-2-((S)-carboxy(methoxy)(2-(thiophen-2-yl)acetamido)methyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid. Molecular formula: C16H19N3O8S2. Mole weight: 445.47. Catalog: APB04002. Alfa Chemistry Analytical Products
Cefpodoxime impurity 12 Cefpodoxime impurity 12. Uses: For analytical and research use. Alternative Names: (6R,7R)-(R)-1-((isopropoxycarbonyl)oxy)ethyl 7-((Z)-2-(2-(3-(4-((Z)-2-(((R)-1-((R)-4-(((R)-1-((isopropoxycarbonyl)oxy)ethoxy)carbonyl)-5-(methoxymethyl)-3,6-dihydro-2H-1,3-thiazin-2-yl)-2-oxoethyl)amino)-1-(methoxyimino)-2-oxoethyl)thiazol-2-yl)ureido)thi. Molecular formula: C43H54N10O19S4. Mole weight: 1143.2. Catalog: APB04048. Alfa Chemistry Analytical Products
Cefpodoxime impurity 13 Cefpodoxime impurity 13. Uses: For analytical and research use. Alternative Names: (6R,7R)-(R)-1-((isopropoxycarbonyl)oxy)ethyl 7-((Z)-2-(2-((methoxycarbonyl)amino)thiazol-4-yl)-2-(methoxyimino)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate. Molecular formula: C23H29N5O11S2. Mole weight: 615.63. Catalog: APB04046. Alfa Chemistry Analytical Products
Cefpodoxime impurity L Cefpodoxime impurity L. Uses: For analytical and research use. Alternative Names: (6R,7R)-(R)-1-((ethoxycarbonyl)oxy)ethyl 7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate. Molecular formula: C20H25N5O9S2. Mole weight: 543.57. Catalog: APB04047. Alfa Chemistry Analytical Products
Cefpodoxime impurity M Cefpodoxime impurity M. Uses: For analytical and research use. Alternative Names: (6R,7R)-(R)-1-((isopropoxycarbonyl)oxy)ethyl 7-((6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carb. Molecular formula: C30H37N7O12S3. Mole weight: 783.85. Catalog: APB04044. Alfa Chemistry Analytical Products
Cefpodoxime impurity M952 Cefpodoxime impurity M952. Uses: For analytical and research use. Alternative Names: (6R,7R)-(R)-1-((isopropoxycarbonyl)oxy)ethyl 7-((Z)-2-(2-((R)-2-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-2-((R)-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl)acetamido)thiazol-4-yl)-2-(methoxyimino)acetamido)-3-(methoxymethyl)-8-. Molecular formula: C35H40N10O14S4. Mole weight: 953.01. Catalog: APB04045. Alfa Chemistry Analytical Products
Cefpodoxime proxetil impurity F Cefpodoxime proxetil impurity F. Uses: For analytical and research use. Alternative Names: (6R,7R)-(R)-1-((isopropoxycarbonyl)oxy)ethyl 7-((Z)-2-(2-formamidothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate. Molecular formula: C22H27N5O10S2. Mole weight: 585.61. Catalog: APB04052. Alfa Chemistry Analytical Products
Cefpodoxime proxetil impurity I Cefpodoxime proxetil impurity I. Uses: For analytical and research use. Alternative Names: (6R,7R)-(R)-1-((isopropoxycarbonyl)oxy)ethyl 7-((Z)-2-(2-((isopropoxycarbonyl)amino)thiazol-4-yl)-2-(methoxyimino)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate. Molecular formula: C25H33N5O11S2. Mole weight: 643.69. Catalog: APB04051. Alfa Chemistry Analytical Products
Cefpodoxime proxetil impurity J Cefpodoxime proxetil impurity J. Uses: For analytical and research use. Alternative Names: (6R,7R)-(R)-1-((isopropoxycarbonyl)oxy)ethyl 7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 5-oxide. Molecular formula: C21H27N5O10S2. Mole weight: 573.6. Catalog: APB04050. Alfa Chemistry Analytical Products
Cefpodoxime proxetil impurity K Cefpodoxime proxetil impurity K. Uses: For analytical and research use. Alternative Names: (6R,7R)-(R)-1-((isopropoxycarbonyl)oxy)ethyl 7-((E)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 5-oxide. Molecular formula: C21H27N5O10S2. Mole weight: 573.6. Catalog: APB04049. Alfa Chemistry Analytical Products
Cefprozil EP Impurity A Cefprozil EP Impurity A. Uses: For analytical and research use. Alternative Names: (R)-2-amino-2-(4-hydroxyphenyl)acetic acid. Molecular formula: C8H9NO3. Mole weight: 167.16. Catalog: APB04525. Alfa Chemistry Analytical Products
Cefprozil EP Impurity B Cefprozil EP Impurity B. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular formula: C16H17N3O5S. Mole weight: 363.39. Catalog: APB04524. Alfa Chemistry Analytical Products
Cefprozil EP Impurity C Cefprozil EP Impurity C. Uses: For analytical and research use. Alternative Names: (R)-3-(aminomethylene)-6-(4-hydroxyphenyl)piperazine-2,5-dione compound with (S)-3-(aminomethylene)-6-(4-hydroxyphenyl)piperazine-2,5-dione (1:1). Molecular formula: C11H11N3O3. Mole weight: 233.22. Catalog: APB04523. Alfa Chemistry Analytical Products
Cefprozil EP Impurity D Cefprozil EP Impurity D. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-amino-8-oxo-3-((Z)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular formula: C10H12N2O3S. Mole weight: 240.28. Catalog: APB04522. Alfa Chemistry Analytical Products
Cefprozil EP Impurity E Cefprozil EP Impurity E. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-((R)-2-amino-2-(4-((R)-2-amino-2-(4-hydroxyphenyl)acetoxy)phenyl)acetamido)-8-oxo-3-((Z)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular formula: C26H26N4O7S. Mole weight: 538.57. Catalog: APB04521. Alfa Chemistry Analytical Products
Cefprozil EP Impurity F Cefprozil EP Impurity F. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-amino-8-oxo-3-((E)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular formula: C10H12N2O3S. Mole weight: 240.28. Catalog: APB04481. Alfa Chemistry Analytical Products
Cefprozil EP Impurity G Cefprozil EP Impurity G. Uses: For analytical and research use. Alternative Names: (R)-2-((R)-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)(carboxy)methyl)-5-((Z)-prop-1-en-1-yl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid. Molecular formula: C18H21N3O6S. Mole weight: 407.44. Catalog: APB01909. Alfa Chemistry Analytical Products
Cefprozil EP Impurity H Cefprozil EP Impurity H. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-((R)-2-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-((Z)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular formula: C26H26N4O7S. Mole weight: 538.57. Catalog: APB01907. Alfa Chemistry Analytical Products
Cefprozil EP Impurity I Cefprozil EP Impurity I. Uses: For analytical and research use. Alternative Names: (R)-2-((R)-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)(carboxy)methyl)-5-((E)-prop-1-en-1-yl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid. Molecular formula: C18H21N3O6S. Mole weight: 407.44. Catalog: APB01908. Alfa Chemistry Analytical Products
Cefprozil EP Impurity J Cefprozil EP Impurity J. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-((R)-2-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-((E)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular formula: C26H26N4O7S. Mole weight: 538.57. Catalog: APB04646. Alfa Chemistry Analytical Products
Cefprozil EP Impurity K Cefprozil EP Impurity K. Uses: For analytical and research use. Alternative Names: 3-((2R,5R)-5-ethyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl)-6-(4-hydroxyphenyl)piperazine-2,5-dione. Molecular formula: C18H19N3O5S. Mole weight: 389.43. Catalog: APB04643. Alfa Chemistry Analytical Products
Cefprozil EP Impurity L Cefprozil EP Impurity L. Uses: For analytical and research use. Alternative Names: (R)-2-hydroxyethyl 2-amino-2-(4-hydroxyphenyl)acetate. Molecular formula: C10H13NO4. Mole weight: 211.21. Catalog: APB04645. Alfa Chemistry Analytical Products
Cefprozil EP Impurity M Cefprozil EP Impurity M. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-((R)-2-amino-2-(4-((ethoxycarbonyl)oxy)phenyl)acetamido)-8-oxo-3-((Z)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular formula: C21H23N3O7S. Mole weight: 461.49. Catalog: APB04641. Alfa Chemistry Analytical Products
Cefprozil EP Impurity N Cefprozil EP Impurity N. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-((R)-2-amino-2-(4-((ethoxycarbonyl)oxy)phenyl)acetamido)-8-oxo-3-((E)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular formula: C21H23N3O7S. Mole weight: 461.49. Catalog: APB04640. Alfa Chemistry Analytical Products
Cefprozil Impurity 13 Cefprozil Impurity 13. Uses: For analytical and research use. Alternative Names: (S)-2-((6R,7R)-7-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-((Z)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-2-(4-hydroxyphenyl)acetic acid. Molecular formula: C26H26N4O7S. Mole weight: 538.57. Catalog: APB04644. Alfa Chemistry Analytical Products
Cefprozil Impurity 18 Cefprozil Impurity 18. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular formula: C17H19N3O6S. Mole weight: 393.41. Catalog: APB04642. Alfa Chemistry Analytical Products
Cefprozil Impurity 19 Cefprozil Impurity 19. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-((Z)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid. Molecular formula: C18H19N3O5S. Mole weight: 389.43. Catalog: APB04639. Alfa Chemistry Analytical Products
Cefprozil Impurity 20 Cefprozil Impurity 20. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-((S)-2-((6R,7R)-7-((S)-2-amino-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-((Z)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-((Z)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxy. Molecular formula: C36H36N6O9S2. Mole weight: 760.84. Catalog: APB04638. Alfa Chemistry Analytical Products
Cefprozil Impurity 21 Cefprozil Impurity 21. Uses: For analytical and research use. Alternative Names: (R)-2-amino-2-(4-hydroxyphenyl)acetic acid. Molecular formula: C8H9NO3. Mole weight: 167.16. Catalog: APB04637. Alfa Chemistry Analytical Products
Cefprozil Impurity 3 Cefprozil Impurity 3. Uses: For analytical and research use. Alternative Names: 7-amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular formula: C8H10N2O3S. Mole weight: 214.24. Catalog: APB04527. Alfa Chemistry Analytical Products
Cefprozil Impurity 4 Cefprozil Impurity 4. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular formula: C16H17N3O5S. Mole weight: 363.39. Catalog: APB04526. Alfa Chemistry Analytical Products
Cefradine Impurity 10 Cefradine Impurity 10. Uses: For analytical and research use. Molecular formula: C16H19N3O4S. Mole weight: 349.41. Catalog: APB07050. Alfa Chemistry Analytical Products
Cefradine impurity C Cefradine impurity C. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-((R)-2-amino-2-(cyclohexa-1,4-dien-1-yl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide. Molecular formula: C16H19N3O5S. Mole weight: 365.4. Catalog: APB04432. Alfa Chemistry Analytical Products
Cefradine ring opening impurity 6 Cefradine ring opening impurity 6. Uses: For analytical and research use. Molecular formula: C16H21N3O5S. Mole weight: 367.42. Catalog: APB07048. Alfa Chemistry Analytical Products
Ceftaroline Impurity 10 Ceftaroline Impurity 10. Uses: For analytical and research use. Alternative Names: (R)-2-((R)-4-((benzhydryloxy)carbonyl)-5-hydroxy-3,6-dihydro-2H-1,3-thiazin-2-yl)-2-(2-phenylacetamido)acetic acid. Molecular formula: C28H26N2O6S. Mole weight: 518.58. Catalog: APB04308. Alfa Chemistry Analytical Products
Ceftaroline Impurity 11 Ceftaroline Impurity 11. Uses: For analytical and research use. Alternative Names: (6R,7R)-benzhydryl 3-((methoxysulfonyl)oxy)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate. Molecular formula: C29H26N2O8S2. Mole weight: 594.66. Catalog: APB04307. Alfa Chemistry Analytical Products
Ceftaroline Impurity 12 Ceftaroline Impurity 12. Uses: For analytical and research use. Alternative Names: (6R,7R)-benzhydryl 3-((methoxysulfonyl)oxy)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate. Molecular formula: C29H26N2O8S2. Mole weight: 594.66. Catalog: APB04306. Alfa Chemistry Analytical Products
Ceftaroline Impurity 13 Ceftaroline Impurity 13. Uses: For analytical and research use. Alternative Names: (R)-2-((R)-4-((benzhydryloxy)carbonyl)-5-((methoxysulfonyl)oxy)-3,6-dihydro-2H-1,3-thiazin-2-yl)-2-(2-phenylacetamido)acetic acid. Molecular formula: C29H28N2O9S2. Mole weight: 612.67. Catalog: APB04304. Alfa Chemistry Analytical Products
Ceftaroline Impurity 14 Ceftaroline Impurity 14. Uses: For analytical and research use. Alternative Names: (6R,7R)-benzhydryl 8-oxo-7-(2-phenylacetamido)-3-((4-(pyridin-4-yl)thiazol-2-yl)thio)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate. Molecular formula: C36H28N4O4S3. Mole weight: 676.83. Catalog: APB04305. Alfa Chemistry Analytical Products
Ceftaroline Impurity 15 Ceftaroline Impurity 15. Uses: For analytical and research use. Alternative Names: (R)-2-((R)-4-((benzhydryloxy)carbonyl)-5-((4-(pyridin-4-yl)thiazol-2-yl)thio)-3,6-dihydro-2H-1,3-thiazin-2-yl)-2-(2-phenylacetamido)acetic acid. Molecular formula: C36H30N4O5S3. Mole weight: 694.84. Catalog: APB04301. Alfa Chemistry Analytical Products
Ceftaroline Impurity 16 Ceftaroline Impurity 16. Uses: For analytical and research use. Alternative Names: 4-(pyridin-4-yl)thiazole-2-thiol. Molecular formula: C8H6N2S2. Mole weight: 194.28. Catalog: APB04302. Alfa Chemistry Analytical Products
Ceftaroline Impurity 17 Ceftaroline Impurity 17. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-amino-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate. Molecular formula: C16H14N4O3S3. Mole weight: 406.5. Catalog: APB04303. Alfa Chemistry Analytical Products
Ceftaroline Impurity 18 Ceftaroline Impurity 18. Uses: For analytical and research use. Alternative Names: 4-(2-(((6R,7R)-2-((benzhydryloxy)carbonyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)thio)thiazol-4-yl)-1-methylpyridin-1-ium chloride. Molecular formula: C37H31ClN4O4S3. Mole weight: 727.31. Catalog: APB04298. Alfa Chemistry Analytical Products
Ceftaroline Impurity 19 Ceftaroline Impurity 19. Uses: For analytical and research use. Alternative Names: 4-(2-(((6R,7R)-7-amino-2-((benzhydryloxy)carbonyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)thio)thiazol-4-yl)-1-methylpyridin-1-ium chloride. Molecular formula: C29H25ClN4O3S3. Mole weight: 609.18. Catalog: APB04299. Alfa Chemistry Analytical Products
Ceftaroline Impurity 20 Ceftaroline Impurity 20. Uses: For analytical and research use. Alternative Names: (6R,7R)-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate. Molecular formula: C24H20N4O4S3. Mole weight: 524.63. Catalog: APB04300. Alfa Chemistry Analytical Products
Ceftaroline Impurity 21 Ceftaroline Impurity 21. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-amino-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate. Molecular formula: C16H14N4O3S3. Mole weight: 406.5. Catalog: APB04296. Alfa Chemistry Analytical Products
Ceftaroline Impurity 22 Ceftaroline Impurity 22. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-amino-8-oxo-3-((4-(pyridin-4-yl)thiazol-2-yl)thio)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular formula: C15H12N4O3S3. Mole weight: 392.48. Catalog: APB04297. Alfa Chemistry Analytical Products
Ceftaroline Impurity 23 Ceftaroline Impurity 23. Uses: For analytical and research use. Alternative Names: (R)-2-((R)-amino(carboxy)methyl)-5-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-3,6-dihydro-2H-1,3-thiazine-4-carboxylate. Molecular formula: C16H16N4O4S3. Mole weight: 424.52. Catalog: APB04295. Alfa Chemistry Analytical Products
Ceftaroline Impurity 24 Ceftaroline Impurity 24. Uses: For analytical and research use. Alternative Names: (R)-2-((R)-amino(carboxy)methyl)-5-((4-(pyridin-4-yl)thiazol-2-yl)thio)-3,6-dihydro-2H-1,3-thiazine-4-carboxylate. Molecular formula: C15H13N4O4S3. Mole weight: 409.48. Catalog: APB04294. Alfa Chemistry Analytical Products
Ceftaroline Impurity 25 Ceftaroline Impurity 25. Uses: For analytical and research use. Alternative Names: (Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(ethoxyimino)acetic acid. Molecular formula: C6H8N4O3S. Mole weight: 216.22. Catalog: APB04293. Alfa Chemistry Analytical Products
Ceftaroline Impurity 30 Ceftaroline Impurity 30. Uses: For analytical and research use. Alternative Names: (6R,7S)-7-amino-3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate. Molecular formula: C16H14N4O3S3. Mole weight: 406.5. Catalog: APB04289. Alfa Chemistry Analytical Products
Ceftaroline Impurity7 Ceftaroline Impurity7. Uses: For analytical and research use. Alternative Names: sodium (Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(ethylimino)acetate. Molecular formula: C6H7N4NaO2S. Mole weight: 222.2. Catalog: APB04309. Alfa Chemistry Analytical Products
Ceftaroline Impurity 8 Ceftaroline Impurity 8. Uses: For analytical and research use. Alternative Names: 4-(2-(((6R,7R)-2-carboxy-7-((Z)-2-(ethoxyimino)-2-(5-(phosphonoamino)-1,2,4-thiadiazol-3-yl)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)thio)thiazol-4-yl)-1-methylpyridin-1-ium. Molecular formula: C22H22N8O8PS4. Mole weight: 685.02. Catalog: APB04311. Alfa Chemistry Analytical Products
Ceftaroline Impurity 9 Ceftaroline Impurity 9. Uses: For analytical and research use. Alternative Names: (6R,7R)-benzhydryl 3-hydroxy-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate. Molecular formula: C28H24N2O5S. Mole weight: 500.57. Catalog: APB04310. Alfa Chemistry Analytical Products
Ceftaroline Impurity C Ceftaroline Impurity C. Uses: For analytical and research use. Alternative Names: (6R,6'R,7R,7'R)-7,7'-(((2Z,2'Z)-2,2'-(5,5'-((hydroxy((hydroxyhydrophosphoryl)oxy)phosphoryl)bis(azanediyl))bis(1,2,4-thiadiazole-5,3-diyl))bis(2-(ethoxyimino)acetyl))bis(azanediyl))bis(3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate). Molecular formula: C44H40N16O15P2S8. Mole weight: 1350.01. Catalog: APB04288. Alfa Chemistry Analytical Products
Ceftaroline Impurity D Ceftaroline Impurity D. Uses: For analytical and research use. Alternative Names: (Z)-2-(ethoxyimino)-2-(5-(phosphonoamino)-1,2,4-thiadiazol-3-yl)acetic acid. Molecular formula: C6H9N4O6PS. Mole weight: 296.2. Catalog: APB04290. Alfa Chemistry Analytical Products
Ceftaroline Impurity F Ceftaroline Impurity F. Uses: For analytical and research use. Alternative Names: (R)-2-((R)-((Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(ethoxyimino)acetamido)(carboxy)methyl)-5-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-3,6-dihydro-2H-1,3-thiazine-4-carboxylate. Molecular formula: C22H22N8O6S4. Mole weight: 622.72. Catalog: APB04291. Alfa Chemistry Analytical Products
Ceftaroline Impurity H Ceftaroline Impurity H. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-((Z)-2-(ethoxyimino)-2-(5-(phosphonoamino)-1,2,4-thiadiazol-3-yl)acetamido)-8-oxo-3-((4-(pyridin-4-yl)thiazol-2-yl)thio)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular formula: C21H19N8O8PS4. Mole weight: 670.66. Catalog: APB04292. Alfa Chemistry Analytical Products
Ceftazidime hetero trans oxidation Impurity Ceftazidime hetero trans oxidation Impurity. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-((E)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 5-oxide. Molecular formula: C22H22N6O8S2. Mole weight: 562.58. Catalog: APB04478. Alfa Chemistry Analytical Products
Ceftazidime Impurity 11 Ceftazidime Impurity 11. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-((6R,7R)-7-amino-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate. Molecular formula: C26H25N6O5S2+. Mole weight: 565.64. Catalog: APB04476. Alfa Chemistry Analytical Products
Ceftazidime Impurity 12 Ceftazidime Impurity 12. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-((Z)-2-(2-((6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((1-(tert-butoxy)-2-methyl-1-oxopropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)thiazol-4-yl)-2-(((1-(tert-butoxy)-2-methy. Molecular formula: C52H59N12O13S4+. Mole weight: 1188.36. Catalog: APB04475. Alfa Chemistry Analytical Products
Ceftazidime Impurity 31 Ceftazidime Impurity 31. Uses: For analytical and research use. Alternative Names: (Z)-methyl 2-(((1-(2-aminothiazol-4-yl)-2-(benzo[d]thiazol-2-ylthio)-2-oxoethylidene)amino)oxy)-2-methylpropanoate. Molecular formula: C17H16N4O4S3. Mole weight: 436.53. Catalog: APB04472. Alfa Chemistry Analytical Products
Ceftazidime Impurity 34 Ceftazidime Impurity 34. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular formula: C17H19N5O7S2. Mole weight: 469.49. Catalog: APB04471. Alfa Chemistry Analytical Products
Ceftazidime Impurity 35 Ceftazidime Impurity 35. Uses: For analytical and research use. Alternative Names: (6R,7R)-3-(acetoxymethyl)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular formula: C19H21N5O9S2. Mole weight: 527.53. Catalog: APB04470. Alfa Chemistry Analytical Products
Ceftazidime Impurity C Ceftazidime Impurity C. Uses: For analytical and research use. Alternative Names: (Z)-S-benzo[d]thiazol-2-yl 2-(((1-(2-aminothiazol-4-yl)-2-(benzo[d]thiazol-2-ylthio)-2-oxoethylidene)amino)oxy)-2-methylpropanethioate. Molecular formula: C23H17N5O3S5. Mole weight: 571.74. Catalog: APB04469. Alfa Chemistry Analytical Products
Ceftazidime Impurity D Ceftazidime Impurity D. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-((Z)-2-(((1-(tert-butoxy)-2-methyl-1-oxopropan-2-yl)oxy)imino)-2-(2-(tritylamino)thiazol-4-yl)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate. Molecular formula: C45H44N6O7S2. Mole weight: 845.00. Catalog: APB04474. Alfa Chemistry Analytical Products
Ceftazidime Ring Opening Impurity Ceftazidime Ring Opening Impurity. Uses: For analytical and research use. Alternative Names: (R)-2-((R)-((Z)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)(carboxy)methyl)-5-(pyridin-1-ium-1-ylmethyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylate. Molecular formula: C22H24N6O8S2. Mole weight: 564.59. Catalog: APB04473. Alfa Chemistry Analytical Products
Ceftazidime side chain Impurity Ceftazidime side chain Impurity. Uses: For analytical and research use. Alternative Names: (Z)-2-(((1-(2-aminothiazol-4-yl)-2-((2-hydroxy-2-sulfoethyl)amino)-2-oxoethylidene)amino)oxy)-2-methylpropanoic acid. Molecular formula: C11H16N4O8S2. Mole weight: 396.4. Catalog: APB04477. Alfa Chemistry Analytical Products
Ceftiam impurity 2 Ceftiam impurity 2. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-(2-(2-(2-(2-aminothiazol-4-yl)acetamido)thiazol-4-yl)acetamido)-3-(((1-(2-(dimethylamino)ethyl)-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular formula: C23H27N11O5S4. Mole weight: 665.79. Catalog: APB04043. Alfa Chemistry Analytical Products
Ceftizoxime double bond displacement impurity Ceftizoxime double bond displacement impurity. Uses: For analytical and research use. Alternative Names: (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid. Molecular formula: C13H13N5O5S2. Mole weight: 383.4. Catalog: APB04425. Alfa Chemistry Analytical Products

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