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Cefixime EP Impurity A (Technical Grade) (Mixture of Diastereomers)
Cefixime EP Impurity A (Technical Grade) (Mixture of Diastereomers). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Cefixime Imp. A (EP). CAS No. 1614255-90-1. Pack Sizes: 5MG. IUPAC Name: 2-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino]-2-[(2R)-5-methyl-7-oxo-1,2,4,5-tetrahydrofuro[3,4-d][1,3]thiazin-2-yl]acetic acid. Molecular Formula: C16H17N5O8S2. Mole Weight: 471.46. Catalog: APS1614255901. SMILES: CC1OC (=O)C2=C1CS[C@@H] (N2)C (NC (=O)\C (=N/OCC (=O)O)\c3csc (N)n3)C (=O)O. Format: Neat. Shipping: Dry ice.
Cefixime EP Impurity B
Cefixime EP Impurity B. Group: Biochemicals. Alternative Names: 2- [ [ (Z) - [1- (2-amino-4-thiazolyl) -2- [ [ [ (2R, 5RS) -5-methyl-7-oxo-1, 2, 5, 7-tetrahydro-4H-furo [3, 4-d] [1, 3] thiazin-2-yl] methyl] amino] -2-oxoethylidene] amino] oxy] acetic Acid. Grades: Highly Purified. CAS No. 1335475-19-8. Pack Sizes: 2.5mg. US Biological Life Sciences.
Worldwide
Cefixime EP Impurity B
Cefixime EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-(((Z)-(1-(2-aminothiazol-4-yl)-2-((((2R)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl)methyl)amino)-2-oxoethylidene)amino)oxy)acetic acid. Molecular Formula: C15H17N5O6S2. Mole Weight: 427.46. Catalog: APB04689.
Cefixime EP Impurity B
Cefixime EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1335475-19-8. Molecular Formula: C15H17N5O6S2. Mole Weight: 427.45. Catalog: APB1335475198.
Cefixime EP Impurity C
Cefixime EP Impurity C. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (6R,7S)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. CAS No. 108691-83-4. Molecular Formula: C16H15N5O7S2. Mole Weight: 453.45. Catalog: APB108691834.
Cefixime EP Impurity C (Cefixime 7-epimer)
Cefixime EP Impurity C is an impurity of the third generation cephalosporin antibiotic, Cefixime. Synonyms: 108691-83-4; 7-epi-Cefixime (Cefixime EP Impurity C); (6R,7S)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; Cefixime EP Impurity C (Cefixime 7-epimer); DTXSID20747309. Grades: > 95%. CAS No. 108691-83-4. Molecular formula: C16H15N5O7S2. Mole weight: 453.46.
Cefixime EP Impurity D
Cefixime EP Impurity D. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (6R,7R)-7-((E)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. CAS No. 97164-56-2. Molecular Formula: C16H15N5O7S2. Mole Weight: 453.45. Catalog: APB97164562.
Cefixime EP Impurity E
Cefixime EP Impurity E. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. CAS No. 72701-01-0. Molecular Formula: C15H15N5O7S2. Mole Weight: 441.44. Catalog: APB72701010.
Cefixime EP Impurity F
Cefixime EP Impurity F. Uses: For analytical and research use. Group: Impurity standards. CAS No. 79368-95-9. Molecular Formula: C18H19N5O7S2. Mole Weight: 481.5. Catalog: APB79368959.
Cefixime Ethyl Ester Sodium Salt (Cefixime EP Impurity F)
Cefixime Ethyl Ester Sodium Salt (Cefixime EP Impurity F). Uses: For analytical and research use. Group: Impurity standards. Catalog: APS001212. Format: Neat.
Cefiximeimpurity A
Cefixime EP Impurity A is an impurity of the third generation cephalosporin antibiotic, Cefixime. Synonyms: α-[[(Z)-2-(2-amino-4-thiazolyl)-2-[(carboxymethoxy)imino]acetyl]amino]-2-[(2R)-5-methyl-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl]acetic Acid. Grades: > 95%. CAS No. 1335475-08-5. Molecular formula: C16H17N5O8S2. Mole weight: 471.47.
CefiximeImpurity B (Mixture of Diastereomers)
Cefixime EP Impurity B is an impurity of the third generation cephalosporin antibiotic, Cefixime. Synonyms: Acetic acid, 2- [ [ (Z) ?- [1- (2-amino-4-thiazolyl) ?-2-oxo-2- [ [ (1, ?2, ?5, ?7-tetrahydro-5-methyl-7-oxo-4H-furo [3, ?4-d] ? [1, ?3] ?thiazin-2-yl) ?methyl] ?amino] ?ethylidene] ?amino] ?oxy] ?-. Grades: > 95%. CAS No. 1335475-19-8. Molecular formula: C15H17N5O6S2. Mole weight: 427.46.
CefiximeImpurity D
Cefixime EP Impurity D is an impurity of the third generation cephalosporin antibiotic, Cefixime. Grades: > 95%. CAS No. 97164-56-2. Molecular formula: C16H15N5O7S2. Mole weight: 453.46.
CefiximeImpurity E
Cefixime EP Impurity E is an impurity of the third generation cephalosporin antibiotic, Cefixime. Synonyms: CefiximeImpurity E; 72701-01-0; (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; (6R,7R)-7-({(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-[(carboxymethoxy)imino]acetyl}amino)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; DTXSID00747524; (6R,7R)-7-[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[(carboxymethoxy)imino]acetamido]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Grades: > 95%. CAS No. 72701-01-0. Molecular formula: C15H15N5O7S2. Mole weight: 441.44.
CefiximeImpurity F
Cefixime EP Impurity F is an impurity of the third generation cephalosporin antibiotic, Cefixime. Synonyms: Cefixime Ethyl Ester Sodium Salt; (6R,7R)-7-[[(Z)-2-(2-aminothiazol-4-yl)-2-[(2-ethoxy-2- oxoethoxy)imino]acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2- ene-2-carboxylic acid. Grades: > 95%. CAS No. 79368-95-9. Molecular formula: C18H19N5O7S2. Mole weight: 481.51.
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