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| Product | Description | |
|---|---|---|
| Erythromycin EP Impurity A | Erythromycin EP Impurity A. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3-(hydroxymethyl)-5,7,9,11. CAS No. 82230-93-1. Molecular Formula: C37H67NO14. Mole Weight: 749.93. Catalog: APB82230931. |  |
| Erythromycin EP Impurity B | A metabolite of Erythromycin. Erythromycin is a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 50S ribosomal subunit, blocking the progression of nascent polypeptide chains. Synonyms: N-Demethylerythromycin A; N-Desmethyl Erythromycin A; Des-N-methylerythromycin; Demethylerythromycin; USP Erythromycin Related Compound N; 3'-Demethylerythromyon; 11,13-hexamethyl-oxacyclotetradecane-2,10-dione. Grades: >95%. CAS No. 992-62-1. Molecular formula: C36H65NO13. Mole weight: 719.90. |  |
| Erythromycin EP Impurity B | Erythromycin EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-6-(((2S,3R,4S,6R)-3-hydroxy-6-methyl-4-(methylamino)tetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyloxacy. CAS No. 992-62-1. Molecular Formula: C36H65NO13. Mole Weight: 719.9. Catalog: APB992621. | |
| Erythromycin EP Impurity C | An impurity of Erythromycin. Erythromycin is a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 61S ribosomal subunit, blocking the progression of nascent polypeptide chains. Synonyms: 1'',16-epoxy-Erythromycin; erythromycin E. Grades: > 95%. CAS No. 41451-91-6. Molecular formula: C37H65NO14. Mole weight: 747.91. | |
| Erythromycin EP Impurity C | Erythromycin EP Impurity C. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2S, 4aR, 4'R, 5'S, 6'S, 7R, 8S, 9R, 10R, 12R, 14R, 15R, 16S, 16aS)-15-(((2S, 3R, 4S, 6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-7-ethyl-5', 8, 9, 14-tetrahydroxy-4'-methoxy-4', 6', 8, 10, 12, 14, 16-heptamethylhexadecahydrospiro[[1, 3]dioxino[5, 4-c][1]o. CAS No. 41451-91-6. Molecular Formula: C37H65NO14. Mole Weight: 747.91. Catalog: APB41451916. | |
| Erythromycin EP Impurity D | An acid-catalyzed degradation product of Erythromycin. Erythromycin is a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 57S ribosomal subunit, blocking the progression of nascent polypeptide chains. Synonyms: Anhydroerythromycin A; Anhydro Erythromycin A; 9-Deoxo-6,12-dideoxy-6,9:9,12-diepoxy-erythromycin; 6,9,12-Anhydroerythromycin A. Grades: >95%. CAS No. 23893-13-2. Molecular formula: C37H65NO12. Mole weight: 715.91. | |
| Erythromycin EP Impurity D | Erythromycin EP Impurity D. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (1S, 2R, 3R, 4R, 5R, 8R, 9S, 10S, 11R, 12R, 14R)-11-(((2S, 4S, 6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-5-ethyl-3-hydroxy-9-(((2R, 4R, 5S, 6S)-5-hydroxy-4-methoxy-4, 6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-2, 4, 8, 10, 12, 14-hexamethyl-6, 15, 16-tr. CAS No. 23893-13-2. Molecular Formula: C37H65NO12. Mole Weight: 715.91. Catalog: APB23893132. | |
| Erythromycin EP Impurity E | Erythromycin EP Impurity E. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2R,3R,4S,5R,8R,9S,10S,11R,12R)-11-(((2S,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-5-ethyl-3,4-dihydroxy-9-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-2,4,8,10,12,14-hexamethyl-6,15-dioxabic. CAS No. 33396-29-1. Molecular Formula: C37H65NO12. Mole Weight: 715.91. Catalog: APB33396291. | |
| Erythromycin EP Impurity F | Erythromycin EP Impurity F. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2R,3R,6R,7S,8S,9R,10R)-3-((2R,3R)-2,3-dihydroxypentan-2-yl)-9-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-7-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-2,6,8,10,12-pentamethyl-4,13-d. CAS No. 105882-69-7. Molecular Formula: C37H65NO12. Mole Weight: 715.91. Catalog: APB105882697. | |
| Erythromycin EP Impurity H | Erythromycin EP Impurity H. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2S, 3R, 4S, 6R)-2-(((3R, 4S, 5S, 6R, 7R, 9R, 11R, 12R, 13S, 14R)-14-ethyl-7, 12, 13-trihydroxy-4-(((2R, 4R, 5S, 6S)-5-hydroxy-4-methoxy-4, 6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3, 5, 7, 9, 11, 13-hexamethyl-2, 10-dioxooxacyclotetradecan-6-yl)oxy)-3-hydroxy-N, N, 6-trimethyltetr. CAS No. 992-65-4. Molecular Formula: C37H67NO14. Mole Weight: 749.93. Catalog: APB992654. | |
| Erythromycin EP Impurity I | An impurity of Erythromycin. Erythromycin is a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 61S ribosomal subunit, blocking the progression of nascent polypeptide chains. Synonyms: Erythralosamine. CAS No. 546-57-6. Molecular formula: C29H49NO8. Mole weight: 539.70. | |
| Erythromycin EP Impurity I | Erythromycin EP Impurity I. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2R,6R,7S,8S,9R,10S,12R)-3-((2R)-2,3-dihydroxypentan-2-yl)-9-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-1-hydroxy-7-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-2,6,8,10,12-pentamethy. CAS No. 546-57-6. Molecular Formula: C37H67NO13. Mole Weight: 733.93. Catalog: APB546576. | |
| Erythromycin EP Impurity J | An impurity of Erythromycin. Erythromycin is a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 61S ribosomal subunit, blocking the progression of nascent polypeptide chains. Synonyms: Pseudoerythromycin A hemiketal. CAS No. 105900-46-7. Molecular formula: C37H67NO13. Mole weight: 733.93. | |
| Erythromycin EP Impurity J | Erythromycin EP Impurity J. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (1S,4S,5R,8R,9S,10S,11R,12R,14R)-11-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-5-ethyl-9-hydroxy-2,4,8,10,12,14-hexamethyl-6,15,16-trioxatricyclo[10.2.1.11,4]hexadec-2-en-7-one. CAS No. 105900-46-7. Molecular Formula: C29H49NO8. Mole Weight: 539.7. Catalog: APB105900467. | |
| Erythromycin EP Impurity K | An impurity of Erythromycin. Erythromycin is a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 61S ribosomal subunit, blocking the progression of nascent polypeptide chains. Synonyms: Erythromycin D; 3''-O-Demethyl-12-deoxyerythromycin. CAS No. 33442-56-7. Molecular formula: C36H65NO12. Mole weight: 703.90. | |
| Erythromycin EP Impurity K | Erythromycin EP Impurity K. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (3R,4S,5S,6R,7R,9R,11R,12S,13R,14R)-4-(((2R,4R,5S,6S)-4,5-dihydroxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12-dihydroxy-3,5,7,9,11,13-hexamethyloxacyclotetra. CAS No. 33442-56-7. Molecular Formula: C36H65NO1. Mole Weight: 703.9. Catalog: APB33442567. | |
| Erythromycin EP impurity L | Erythromycin EP impurity L. Uses: For analytical and research use. Group: Impurity standards. CAS No. 127955-44-6. Molecular Formula: C37H65NO14. Mole Weight: 747.92. Catalog: APB127955446. | |
| Erythromycin EP Impurity L | An impurity of Erythromycin. Erythromycin is a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 61S ribosomal subunit, blocking the progression of nascent polypeptide chains. Synonyms: 3''-N-demethyl-3''-N-formyl erythromycin A; 3''-N-Demethyl-3''-N-formylerythromycin; N-Demethyl-N-formylerythromycin. CAS No. 127955-44-6. Molecular formula: C37H65NO14. Mole weight: 747.91. | |
| Erythromycin EP Impurity L | Erythromycin EP Impurity L. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: N-((2S, 3R, 4S, 6R)-2-(((3R, 4S, 5S, 6R, 7R, 9R, 11R, 12R, 13S, 14R)-14-ethyl-7, 12, 13-trihydroxy-4-(((2R, 4R, 5S, 6S)-5-hydroxy-4-methoxy-4, 6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3, 5, 7, 9, 11, 13-hexamethyl-2, 10-dioxooxacyclotetradecan-6-yl)oxy)-3-hydroxy-6-methyltetrahyd. Molecular Formula: C37H65NO14. Mole Weight: 747.91. Catalog: APB05643. | |
| Erythromycin EP Impurity M | An impurity of Erythromycin. Erythromycin is a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 61S ribosomal subunit, blocking the progression of nascent polypeptide chains. Synonyms: Erythromycin G; 12-Deoxy-16-hydroxyerythromycin. CAS No. 616234-56-1. Molecular formula: C37H67NO13. Mole weight: 733.93. | |
| Erythromycin EP Impurity M | Erythromycin EP Impurity M. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (3R,4S,5S,6R,7R,9R,11R,12S,13R,14R)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12-dihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3-(hydroxymethyl)-5,7,9,11,13-p. Molecular Formula: C37H67NO13. Mole Weight: 733.93. Catalog: APB05642. | |
| Erythromycin EP Impurity M | Erythromycin EP Impurity M. Uses: For analytical and research use. Group: Impurity standards. CAS No. 616234-56-1. Molecular Formula: C37H67NO13. Mole Weight: 733.94. Catalog: APB616234561. | |
| Erythromycin EP Impurity N | Erythromycin EP Impurity N. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (3R,4S,5S,6R,7R,9R,11R,12S,13R,14R)-14-ethyl-4,6,7,12-tetrahydroxy-3,5,7,9,11,13-hexamethyloxacyclotetradecane-2,10-dione. CAS No. 3225-82-9. Molecular Formula: C21H38O7. Mole Weight: 402.52. Catalog: APB3225829. | |
| 8-Epi-11,12-epoxy Erythromycin A | An impurity of Erythromycin. Erythromycin is a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 55S ribosomal subunit, blocking the progression of nascent polypeptide chains. Synonyms: 8-Epi-11,12-epoxy Erythromycin A. Grades: > 95%. Molecular formula: C37H65NO12. Mole weight: 715.93. | |
| Anhydro Erythromycin A | Anhydro Erythromycin A. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 6, 15, 16-Trioxatricyclo[10.2.1.11, 4]hexadecane, erythromycin deriv., 6,9,12-Anhydroerythromycin A, Anhydroerythromycin,9-Deoxo-6,12-dideoxy-6,9:9,12-diepoxy-erythromycin, 9-Deoxo-6,12-dideoxy-6,9:9,12-diepoxyerythromycin, BRL 46355ER, Erythromycin Imp. D (EP), Anhydroerythromycin A, Erythromycin anhydride, EM 202. CAS No. 23893-13-2. Molecular Formula: C37H65NO12. Mole Weight: 715.91. Catalog: APS23893132. SMILES: CC[C@H]1OC (=O)[C@H] (C)[C@@H] (O[C@H]2C[C@@] (C) (OC)[C@@H] (O)[C@H] (C)O2)[C@H] (C)[C@@H] (O[C@@H]3O[C@H] (C)C[C@@H] ([C@H]3O)N (C)C)[C@@]4 (C)C[C@@H] (C)[C@]5 (O4)O[C@@]1 (C)[C@H] (O)[C@H]5C. Format: Neat. | |
| Azithromycin B | Azithromycin B (Azithromycin EP Impurity B), is an impurity of Azithromycin, a semi-synthetic macrolide antibiotic, and related to Erythromycin A. Group: Biochemicals. Alternative Names: (2R, 3R, 4S, 5R, 8R, 10R, 11R, 12S, 13S, 14R)-13-[(2, 6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-2-ethyl-4, 10-dihydroxy-3, 5, 6, 8, 10, 12, 14-heptamethyl-11-[[3, 4, 6-trideoxy-3-(dimethylamino)- β-D-xylo-hexopyranosyl]oxy]-1-Oxa-6-azacyclopentadecan-15-one; Azithromycin EP Impurity B. Grades: Highly Purified. CAS No. 307974-61-4. Pack Sizes: 500ug, 1mg, 2.5mg. Molecular Formula: C??H??N?O??, Molecular Weight: 732.99. US Biological Life Sciences. |  Worldwide |
| N-demethyl-6-O-methyl-N-[(phenylmethoxy)carbonyl]-2'-(phenylmethylcarbonate) Erythromycin | N-demethyl-6-O-methyl-N-[(phenylmethoxy)carbonyl]-2'-(phenylmethylcarbonate) Erythromycin is an intermediate useful in the synthesis of N-Demethyl-N-formylclarithromycin (Clarithromycin EP Impurity H), which is an impurity of the semi-synthetic macrolide antibiotic Clarithromycin. Synonyms: Oxacyclotetradecane Erythromycin Deriv. CAS No. 81103-10-8. Molecular formula: C53H79NO17. Mole weight: 1002.19. | |
| Roxithromycin Impurity C | An impurity found in the macrolide antibiotic, Clarithromycin. It exhibits antibacterial properties. Synonyms: 9-Erythromycin 9-Oxime; 9-Erythromycin A Oxime; Erythromycin Oxime; Roxithromycin Impurity C; Clarithromycin EP Impurity J. Grades: >95%. CAS No. 13127-18-9. Molecular formula: C37H68N2O13. Mole weight: 748.94. | |
| Roxithromycin Impurity F | A metabolite of the macrolide antibiotic, Roxithromycin. Synonyms: (9E)-9-[O-[(2-Methoxyethoxy)methyl]oxime]-N-demethyl Erythromycin; (E)-N-Demethylroxithromycin; N-Demethylroxithromycin; RU 44981; Roxithromycin Impurity 6; Roxithromycin EP Impurity F. Grades: >95%. CAS No. 118267-18-8. Molecular formula: C40H74N2O15. Mole weight: 823.02. | |
| Clarithromycin EP Impurity P | 4'',6-Di-O-methylerythromycin is a derivative of O-methylerythromycin and may be used in the treatment of lung diseases requiring antibiotics. Synonyms: 4'',6-Di-O-methylerythromycin; Oxacyclotetradecane, Erythromycin deriv.; 4'-O-Methylclarithromycin. Grades: > 95%. CAS No. 123967-58-8. Molecular formula: C39H71NO13. Mole weight: 761.98. | |
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