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Alfa Chemistry Analytical Products 4 - Products

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Product
Cefotiam Impurity 3 Cefotiam Impurity 3. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C20H24N10O5S3. Mole Weight: 580.66. Catalog: APB07310. Alfa Chemistry Analytical Products 4
Cefotiam impurity C Cefotiam impurity C. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-(2-aminothiazol-4-yl)-N-(2-(((3S,4R)-4-(((1-(2-(dimethylamino)ethyl)-1H-tetrazol-5-yl)thio)methyl)-2-oxotetrahydrothiophen-3-yl)amino)-2-oxoethyl)acetamide. Molecular Formula: C17H25N9O3S3. Mole Weight: 499.63. Catalog: APB04030. Alfa Chemistry Analytical Products 4
Cefotiam open-ring Impurity Cefotiam open-ring Impurity. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C18H25N9O5S3. Mole Weight: 543.64. Catalog: APB07314. Alfa Chemistry Analytical Products 4
Cefotiam open-ring reference substance Cefotiam open-ring reference substance. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R)-2-((R)-(2-(2-aminothiazol-4-yl)acetamido)(carboxy)methyl)-5-(((1-(2-(dimethylamino)ethyl)-1H-tetrazol-5-yl)thio)methyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid. Molecular Formula: C18H25N9O5S3. Mole Weight: 543.64. Catalog: APB04042. Alfa Chemistry Analytical Products 4
Cefotiam Oxide Impurity Cefotiam Oxide Impurity. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C18H23N9O5S3. Mole Weight: 541.62. Catalog: APB07315. Alfa Chemistry Analytical Products 4
Cefotiam Oxide Impurity 1 Reference Cefotiam Oxide Impurity 1 Reference. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (6R,7R)-7-(2-(2-aminothiazol-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 5-oxide. Molecular Formula: C18H23N9O5S3. Mole Weight: 541.63. Catalog: APB04039. Alfa Chemistry Analytical Products 4
Cefoxitin EP Impurity A Cefoxitin EP Impurity A. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (6R,7S)-3-(hydroxymethyl)-7-methoxy-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular Formula: C15H16N2O6S2. Mole Weight: 384.43. Catalog: APB04007. Alfa Chemistry Analytical Products 4
Cefoxitin EP Impurity B Cefoxitin EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2R,6R,7S)-3-((carbamoyloxy)methyl)-7-methoxy-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid. Molecular Formula: C16H17N3O7S2. Mole Weight: 427.45. Catalog: APB04006. Alfa Chemistry Analytical Products 4
Cefoxitin EP Impurity C Cefoxitin EP Impurity C. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: N-((5aR,6R)-1,7-dioxo-1,3,4,5a,6,7-hexahydroazeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)-2-(thiophen-2-yl)acetamide. Molecular Formula: C14H12N2O4S2. Mole Weight: 336.39. Catalog: APB04005. Alfa Chemistry Analytical Products 4
Cefoxitin EP Impurity D Cefoxitin EP Impurity D. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: N-((5aR,6S)-6-methoxy-1,7-dioxo-1,3,4,5a,6,7-hexahydroazeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)-2-(thiophen-2-yl)acetamide. Molecular Formula: C15H14N2O5S2. Mole Weight: 366.41. Catalog: APB04004. Alfa Chemistry Analytical Products 4
Cefoxitin EP Impurity G Cefoxitin EP Impurity G. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (6R,7S)-3-((((((6R,7S)-2-carboxy-7-methoxy-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methoxy)carbamoyl)oxy)methyl)-7-methoxy-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular Formula: C31H31N5O13S4. Mole Weight: 809.86. Catalog: APB01788. Alfa Chemistry Analytical Products 4
Cefoxitin Impurity 10 Cefoxitin Impurity 10. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C16H16N2O6S2. Mole Weight: 396.43. Catalog: APB07080. Alfa Chemistry Analytical Products 4
Cefoxitin Impurity 12 Cefoxitin Impurity 12. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C11H13NO6S. Mole Weight: 287.29. Catalog: APB07079. Alfa Chemistry Analytical Products 4
Cefoxitin Impurity 13 Cefoxitin Impurity 13. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C16H19N3O8S2. Mole Weight: 445.46. Catalog: APB07081. Alfa Chemistry Analytical Products 4
Cefoxitin Impurity 14 Cefoxitin Impurity 14. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C15H19N3O6S2. Mole Weight: 401.45. Catalog: APB07082. Alfa Chemistry Analytical Products 4
Cefoxitin Impurity 17 Cefoxitin Impurity 17. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C16H17N3O7S2. Mole Weight: 427.45. Catalog: APB07083. Alfa Chemistry Analytical Products 4
Cefoxitin impurity E Cefoxitin impurity E. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (6R,7S)-3-((carbamoyloxy)methyl)-7-methoxy-7-((R)-2-methoxy-2-(thiophen-2-yl)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular Formula: C17H19N3O8S2. Mole Weight: 457.48. Catalog: APB04008. Alfa Chemistry Analytical Products 4
Cefoxitin impurity EF Cefoxitin impurity EF. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (7S)-3-((carbamoyloxy)methyl)-7-methoxy-7-(2-methoxy-2-(thiophen-2-yl)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular Formula: C17H19N3O8S2. Mole Weight: 457.48. Catalog: APB04003. Alfa Chemistry Analytical Products 4
Cefoxitin impurity F Cefoxitin impurity F. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (6R,7S)-3-((carbamoyloxy)methyl)-7-methoxy-7-((S)-2-methoxy-2-(thiophen-2-yl)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular Formula: C17H19N3O8S2. Mole Weight: 457.48. Catalog: APB04009. Alfa Chemistry Analytical Products 4
Cefoxitin Open Ring Impurity Cefoxitin Open Ring Impurity. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefpodoxime impurity 12 Cefpodoxime impurity 12. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefpodoxime impurity 13 Cefpodoxime impurity 13. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefpodoxime impurity L Cefpodoxime impurity L. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefpodoxime impurity M Cefpodoxime impurity M. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefpodoxime impurity M952 Cefpodoxime impurity M952. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefpodoxime Proxetil EP Impurity F Cefpodoxime Proxetil EP Impurity F. Uses: For analytical and research use. Group: Impurity standards. CAS No. 96680-30-7. Molecular Formula: C22H27N5O10S2. Mole Weight: 585.6. Catalog: APB96680307. Alfa Chemistry Analytical Products 4
Cefpodoxime Proxetil EP Impurity K Cefpodoxime Proxetil EP Impurity K. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C21H27N5O10S2. Mole Weight: 573.59. Catalog: APB07224. Alfa Chemistry Analytical Products 4
Cefpodoxime proxetil impurity F Cefpodoxime proxetil impurity F. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefpodoxime proxetil impurity I Cefpodoxime proxetil impurity I. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefpodoxime proxetil impurity J Cefpodoxime proxetil impurity J. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefpodoxime proxetil impurity K Cefpodoxime proxetil impurity K. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefprozil Cefprozil. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (6R,7R)-7-((R)-2-amino-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: C18H19N3O5S. Mole Weight: 389.43. Catalog: APB04528. Alfa Chemistry Analytical Products 4
Cefprozil amino compound (USP) Cefprozil amino compound (USP). Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C26H26N4O7S. Mole Weight: 538.58. Catalog: APB10320. Alfa Chemistry Analytical Products 4
Cefprozil δ- Isomer at position 3 (USP Cefprozil δ- Isomer at position 3 (USP. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C18H19N3O5S. Mole Weight: 389.43. Catalog: APB10316. Alfa Chemistry Analytical Products 4
Cefprozil Dimer 1 (Cefprozil Impurity I (USP)) Cefprozil Dimer 1 (Cefprozil Impurity I (USP)). Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C36H36N6O9S2. Mole Weight: 760.83. Catalog: APB10317. Alfa Chemistry Analytical Products 4
Cefprozil EP Impurity A Cefprozil EP Impurity A. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R)-2-amino-2-(4-hydroxyphenyl)acetic acid. Molecular Formula: C8H9NO3. Mole Weight: 167.16. Catalog: APB04525. Alfa Chemistry Analytical Products 4
Cefprozil EP Impurity B Cefprozil EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefprozil EP Impurity C Cefprozil EP Impurity C. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefprozil EP Impurity D Cefprozil EP Impurity D. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefprozil EP Impurity E Cefprozil EP Impurity E. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefprozil EP Impurity F Cefprozil EP Impurity F. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefprozil EP Impurity G Cefprozil EP Impurity G. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefprozil EP Impurity H Cefprozil EP Impurity H. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefprozil EP Impurity I Cefprozil EP Impurity I. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefprozil EP Impurity J Cefprozil EP Impurity J. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefprozil EP Impurity K Cefprozil EP Impurity K. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefprozil EP Impurity K1 Cefprozil EP Impurity K1. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C18H21N3O4S. Mole Weight: 357.44. Catalog: APB10311. Alfa Chemistry Analytical Products 4
Cefprozil EP Impurity K2 Cefprozil EP Impurity K2. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C18H21N3O4S. Mole Weight: 357.44. Catalog: APB10312. Alfa Chemistry Analytical Products 4
Cefprozil EP Impurity K3 Cefprozil EP Impurity K3. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C18H21N3O4S. Mole Weight: 357.44. Catalog: APB10314. Alfa Chemistry Analytical Products 4
Cefprozil EP Impurity K4 Cefprozil EP Impurity K4. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C18H21N3O4S. Mole Weight: 357.44. Catalog: APB10313. Alfa Chemistry Analytical Products 4
Cefprozil EP Impurity L Cefprozil EP Impurity L. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R)-2-hydroxyethyl 2-amino-2-(4-hydroxyphenyl)acetate. Molecular Formula: C10H13NO4. Mole Weight: 211.21. Catalog: APB04645. Alfa Chemistry Analytical Products 4
Cefprozil EP Impurity M Cefprozil EP Impurity M. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefprozil EP Impurity N Cefprozil EP Impurity N. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefprozil Impurity 12 Cefprozil Impurity 12. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C18H19N3O5S. Mole Weight: 389.43. Catalog: APB10319. Alfa Chemistry Analytical Products 4
Cefprozil Impurity 13 Cefprozil Impurity 13. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefprozil Impurity 18 Cefprozil Impurity 18. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefprozil Impurity 19 Cefprozil Impurity 19. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefprozil Impurity 20 Cefprozil Impurity 20. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefprozil Impurity 21 Cefprozil Impurity 21. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R)-2-amino-2-(4-hydroxyphenyl)acetic acid. Molecular Formula: C8H9NO3. Mole Weight: 167.16. Catalog: APB04637. Alfa Chemistry Analytical Products 4
Cefprozil Impurity 3 Cefprozil Impurity 3. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefprozil Impurity 4 Cefprozil Impurity 4. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefradine Dimer Cefradine Dimer. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (6R,7R)-7-((R)-2-((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-carboxamido)-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. Molecular Formula: C32H36N6O7S2. Mole Weight: 680.79. Catalog: APB04431. Alfa Chemistry Analytical Products 4
Cefradine dione Cefradine dione. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C11H13N3O2. Mole Weight: 219.24. Catalog: APB07049. Alfa Chemistry Analytical Products 4
Cefradine double nucleus Cefradine double nucleus. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (6R,7R)-7-((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-carboxamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular Formula: C24H27N5O6S2. Mole Weight: 545.63. Catalog: APB04430. Alfa Chemistry Analytical Products 4
Cefradine Impurity 10 Cefradine Impurity 10. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C16H19N3O4S. Mole Weight: 349.41. Catalog: APB07050. Alfa Chemistry Analytical Products 4
Cefradine impurity C Cefradine impurity C. Uses: For analytical and research use. Group: Impurity standards. 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 4
Cefradine ring opening impurity 6 Cefradine ring opening impurity 6. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C16H21N3O5S. Mole Weight: 367.42. Catalog: APB07048. Alfa Chemistry Analytical Products 4
Ceftaroline Fosamil Impurity 12 Ceftaroline Fosamil Impurity 12. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C22H21N8O8PS4. Mole Weight: 684.67. Catalog: APB10450. Alfa Chemistry Analytical Products 4
Ceftaroline Fosamil Impurity 16 Ceftaroline Fosamil Impurity 16. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C2113CH18D3N8O8PS4. Mole Weight: 688.68. Catalog: APB10451. Alfa Chemistry Analytical Products 4
Ceftaroline Fosamil Impurity 18 Ceftaroline Fosamil Impurity 18. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C36H29N4NaO6S2. Mole Weight: 700.76. Catalog: APB10452. Alfa Chemistry Analytical Products 4

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