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| Product | Description | |
|---|---|---|
| Clarithromycin Impurity C | Clarithromycin Impurity C is an impurity of Clarithromycin, an antibiotic used to treat a variety of bacterial infections. Synonyms: Clarithromycin oxime. Grade: > 95%. CAS No. 127253-06-9. Molecular formula: C38H70N2O13. Mole weight: 762.97. |  |
| Clarithromycin Impurity D | United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standards. |  |
| Clarithromycin Impurity E | An impurity of Clarithromycin. 11-O-Methylclarithromycin is a semisynthetic derivative of the macrolide antibiotic erythromycin. It is characterized by the presence of a methyl group at the 11-position of the clarithromycin molecule, which modifies its pharmacological properties. This compound exhibits broad-spectrum antibacterial activity and is particularly effective against certain Gram-positive bacteria. Synonyms: 6,11-Di-O-methylerythromycin; 11-O-Methylclarithromycin; USP Clarithromycin Related Compound A. Grade: >95%. CAS No. 81103-14-2. Molecular formula: C39H71NO13. Mole weight: 761.98. | |
| Clarithromycin Impurity G (Mixture of Z and E Isomers) | Clarithromycin Impurity G (Mixture of Z and E Isomers) is a an impurity of Clarithromycin, an antibiotic widely employed in treating various bacterial infections, including respiratory tract infections, skin and soft tissue infections and Helicobacter pylori infections associated with peptic ulcers. Grade: > 95%. CAS No. 107216-09-1. Molecular formula: C39H72N2O13. Mole weight: 777.01. | |
| Clarithromycin Impurity H | United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standards. | |
| Clarithromycin Impurity L | Clarithromycin (9Z)-Oxime is an impurity of Clarithromycin. Synonyms: Clarithromycin (9Z)-Oxime; 6-O-Methylerythromycin (9Z)-9-Oxime; (3R,4S,5S,6R,7R,9R,11S,12R,13S,14R,Z)-6-(((2S,3R,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-12,13-dihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-di. Grade: >95%. CAS No. 127253-05-8. Molecular formula: C38H70N2O13. Mole weight: 762.97. | |
| Clarithromycin Impurity N | (10E)-10,11-Didehydro-11-deoxy-6-O-methylerythromycin is the Erythromycin derivative. Synonyms: (10E)-10,11-Didehydro-11-deoxy-6-O-methylerythromycin; Oxacyclotetradecane Erythromycin Derivative. Grade: > 95%. CAS No. 144604-03-5. Molecular formula: C38H67NO12. Mole weight: 729.94. | |
| Clarithromycin Impurity O | Clarithromycin (9Z)-O-Methyloxime is an impurity of Clarithromycin. Synonyms: Clarithromycin (9Z)-O-Methyloxime; 6-O-Methylerythromycin (9Z)-9-O-Methyloxime; Oxacyclotetradecane Erythromycin deriv.; Erythromycin, 6-O-methyl-, 9-O-methyloxime, (9Z)-; (9Z)-6-O-Methylerythromycin 9-(O-methyloxime). Grade: >95%. CAS No. 127252-80-6. Molecular formula: C39H72N2O13. Mole weight: 776.99. | |
| Clarithromycin Impurity Q | United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standards. | |
| Clarithromycin Impurity R | United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standards. | |
| Clarithromycin EP Impurity A | Clarithromycin EP Impurity A is an impurity of the semi-synthetic macrolide antibiotic Clarithromycin. Synonyms: Clarithromycin F; 16-Hydroxyclarithromycin; 2-Demethyl-2-(hydroxymethyl)-6-O-methylerythromycin A. Grade: ≥95%. CAS No. 124412-58-4. Molecular formula: C38H69NO14. Mole weight: 763.96. | |
| Clarithromycin EP Impurity A | Clarithromycin 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-12,13-dihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3-(hydroxymethyl)-7-methoxy-5,7,9,11,13-pentamethyloxacyclotetradecane-2,10-dione. CAS No. 124412-58-4. Molecular formula: C38H69NO14. Mole weight: 763.95. Catalog: APB124412584. | |
| Clarithromycin EP Impurity D | Clarithromycin EP Impurity D. Uses: For analytical and research use. Group: Impurity standards. CAS No. 101666-68-6. Molecular formula: C37H67NO13. Mole weight: 733.94. Catalog: APB101666686. | |
| 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. Grade: > 95%. CAS No. 123967-58-8. Molecular formula: C39H71NO13. Mole weight: 761.98. | |
| Clarithromycin EP Impurity P | Clarithromycin EP Impurity P. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-(((2R,4R,5S,6S)-4,5-dimethoxy-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-12,13-dihydroxy-7-methoxy-3,5,7,9,11,13-hexamethyloxacyclotetradecane-2,10-dione. CAS No. 123967-58-8. Molecular formula: C39H71NO13. Mole weight: 761.98. Catalog: APB123967588. | |
| 12-O-Methyl Clarithromycin | 12-O-Methyl Clarithromycin is a methylated impurity of the semi-synthetic macrolide antibiotic Clarithromycin. 12-O-Methyl Clarithromycin was shown to inhibit uptake of Clarithromycin into the lung cells. Synonyms: 6,12-Di-O-methylerythromycin; 6,12-Di-O-methylerythromycin A; Clarithromycin EP Impurity F; 12-O-Methylclarithromycin. Grade: >95%. CAS No. 128940-83-0. Molecular formula: C39H71NO13. Mole weight: 761.98. | |
| 12-O-Methyl Clarithromycin-d3 | Labelled analogue of 12-O-Methyl Clarithromycin, a methylated impurity of the semi-synthetic macrolide antibiotic Clarithromycin. 12-O-Methyl Clarithromycin was shown to inhibit uptake of Clarithromycin into the lung cells. Synonyms: 6,12-Di-O-methylerythromycin-d3; 6,12-Di-O-methylerythromycin A-d3; Clarithromycin EP Impurity F-d3. Molecular formula: C39H68D3NO13. Mole weight: 765. | |
| 14-Hydroxyclarithromycin | 14-Hydroxyclarithromycin is an impurity of Erythromycin, a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 55S ribosomal subunit, blocking the progression of nascent polypeptide chains. Synonyms: Erythromycin, 14-hydroxy-6-O-methyl-; 14-Hydroxy-6-O-methylerythromycin; 14-OH-Clarithromycin; Clarithromycin Impurity 23; (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}-12,13-dihydroxy-14-[(1S)-1-hydroxyethyl]-4-{[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl]oxy}-7-methoxy-3,5,7,9,11,13-hexamethyloxacyclotetradecane-2,10-dione; A 62671; Antibiotic A 62671. Grade: 95%. CAS No. 110671-78-8. Molecular formula: C38H69NO14. Mole weight: 763.95. | |
| 3-O-De(cladinosyl)-8,9,10,11-tetradehydro-9-deoxo-11,12-dideoxy-9,12-epoxy Clarithromycin | 3-O-De(cladinosyl)-8,9,10,11-tetradehydro-9-deoxo-11,12-dideoxy-9,12-epoxy Clarithromycin is an impurity of Clarithromycin. Clarithromycin EP impurity K. Group: Biochemicals. Alternative Names: 3-O-De(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)-8,9,10,11-tetradehydro-9-deoxo-11,12-dideoxy-9,12-epoxy-6-O-methylerythromycin. Grades: Highly Purified. CAS No. 127157-35-1. Pack Sizes: 5mg. US Biological Life Sciences. |  Worldwide |
| 3-O-De(cladinosyl)-8,9,10,11-tetradehydro-9-deoxo-11,12-dideoxy-9,12-epoxy Clarithromycin | 3-O-De(cladinosyl)-8,9,10,11-tetradehydro-9-deoxo-11,12-dideoxy-9,12-epoxy Clarithromycin. Uses: For analytical and research use. Group: Impurity standards. Pack Sizes: 5MG. Catalog: APS004592. Format: Neat. Shipping: Room Temperature. | |
| 6,12-Di-O-methyl-2',4''-bis-O-(trimethylsilyl)-erythromycin 9-[2-(Triphenylmethyl)hydrazone] | 6,12-Di-O-methyl-2',4''-bis-O-(trimethylsilyl)-erythromycin 9-[2-(Triphenylmethyl)hydrazone] is an intermediate in the synthesis of 12-O-Methyl Clarithromycin which is a methylated impurity of the semi-synthetic macrolide antibiotic Clarithromycin. 12-O-Methyl Clarithromycin was proved to inhibit Clarithromycin uptake into the lung cells. Molecular formula: C64H103N3O12Si2. Mole weight: 1162.69. | |
| 6-O-Methyl-2',4''-bis-O-(trimethylsilyl)-9-[O-(1-ethoxy-1-methylethyl)oxime] Erythromycin | 6-O-Methyl-2',4''-bis-O-(trimethylsilyl)-9-[O-(1-ethoxy-1-methylethyl)oxime] Erythromycin is a derivative of Erythromycin, a macrolide antibiotic that inhibits bacterial protein synthesis by targeting the 55S ribosomal subunit, blocking the progression of nascent polypeptide chains. Synonyms: Erythromycin, 6-O-methyl-2',4''-bis-O-(trimethylsilyl)-, 9-[O-(1-ethoxy-1-methylethyl)oxime; Intermediate of Clarithromycin; Erythromycin Impurity 11; (3R,4S,5S,6R,7R,9R,11S,12R,13S,14R)-6-({(2S,3R,4S,6R)-4-(Dimethylamino)-6-methyl-3-[(trimethylsilyl)oxy]tetrahydro-2H-pyran-2-yl}oxy)-10-{[(2-ethoxy-2-propanyl)oxy]imino}-14-ethyl-12,13-dihydroxy-7-methoxy-4-({(2R,4R,5S,6S)-4-methoxy-4,6-dimethyl-5-[(trimethylsilyl)oxy]tetrahydro-2H-pyran-2-yl}oxy)-3,5,7,9,11,13-hexamethyloxacyclotetradecan-2-one. Grade: ≥95%. CAS No. 119665-62-2. Molecular formula: C49H96N2O14Si2. Mole weight: 993.46. | |
| 6-O-Methyl-2',4''-bis-O-(trimethylsilyl)-erythromycin 9-[2-(Triphenylmethyl)hydrazone] | As an intermediate in the synthesis of 12-O-Methyl Clarithromycin, 6-O-Methyl-2',4'-bis-O-(trimethylsilyl)-erythromycin 9-[2-(Triphenylmethyl)hydrazone] is a methylated impurity of the semi-synthetic macrolide antibiotic Clarithromycin. 12-O-Methyl Clarithromycin was shown to inhibit uptake of Clarithromycin into the lung cells. Molecular formula: C63H101N3O12Si2. Mole weight: 1148.66. | |
| Clarithromycin (9E)-O-Methyloxime | Clarithromycin (9E)-O-Methyloxime (Clarithromycin EP Impurity G) is an impurity of Clarithromycin, a macrolide antibiotic. Clarithromycin impurity G. Synonyms: 6-O-Methylerythromycin (9E)-9-(O-Methyloxime); Clarithromycin Impurity G; Clarithromycin EP Impurity G; (9E)-6-O-Methylerythromycin 9-(O-methyloxime); Erythromycin, 6-O-methyl-, 9-(O-methyloxime), (9E)-. Grade: 98%. CAS No. 127182-44-9. Molecular formula: C39H72N2O13. Mole weight: 776.99. | |
| Clarithromycin 9-Oxime | Clarithromycin 9-Oxime is an impurity of Clarithromycin , a macrolide antibiotic. Group: Biochemicals. Alternative Names: 6-O-Methylerythromycin 9-Oxime; 6-O-Methylerythromycin A 9-Oxime. Grades: Highly Purified. CAS No. 103450-87-9. Pack Sizes: 10mg. US Biological Life Sciences. | Worldwide |
| Clarithromycin Hydrazone | Clarithromycin Hydrazone is an intermediate in the synthesis of 12-O-Methyl Clarithromycin which is a methylated impurity of the semi-synthetic macrolide antibiotic Clarithromycin. 12-O-Methyl Clarithromycin was shown to inhibit uptake of Clarithromycin into the lung cells. Synonyms: 6-O-Methylerythromycin Hydrazone; 6-O-Methyl-erythromycin 9-Hydrazone; (3R,4S,5S,6R,7R,9R,11S,12R,13S,14R)-6-(((2S,3R,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-10-hydrazineylidene-12,13-dihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-7-methoxy-3,5,7,9,11,13-hexamethyloxacyclotetradecan-2-one; Erythromycin, 6-O-methyl-, 9-hydrazone. CAS No. 220745-18-6. Molecular formula: C38H71N3O12. Mole weight: 761.98. | |
| Clarithromycin N-Oxide | Clarithromycin N-oxide is an urinary metabolite of Clarithromycin, a macrolide antibiotic. Synonyms: 6-O-Methylerythromycin N-Oxide; USP Clarithromycin Impurity Q. Grade: > 95%. CAS No. 118074-07-0. Molecular formula: C38H69NO14. Mole weight: 763.95. | |
| Clarithromycin N-OxiMe | Clarithromycin N-OxiMe. Uses: For analytical and research use. Group: Impurity standards. CAS No. 103450-87-9. Molecular formula: C38H70N2O13. Mole weight: 762.98. Catalog: APB103450879. | |
| Clarithromycin related compound C | An impurity found in the macrolide antibiotic, Clarithromycin. Synonyms: 6-O-Methylerythromycin 9-Oxime; Clarithromycin Impurity C. Grade: >95% by HPLC. CAS No. 103450-87-9. Molecular formula: C38H70N2O13. Mole weight: 762.97. | |
| Clarithromycin related compound H | N-Demethyl-N-formylclarithromycin is an impurity of the semi-synthetic macrolide antibiotic Clarithromycin. Synonyms: N-Demethyl-N-formyl Clarithromycin; N-Demethyl-N-formyl-6-O-methylerythromycin; 3"-N-Demethyl-3"-N-formylclarithromycin; USP Clarithromycin Impurity H; Clarithromycin impurity H. Grade: >95%. CAS No. 127140-69-6. Molecular formula: C38H67NO14. Mole weight: 761.94. | |
| Clarithromycin related compound I | An impurity found in the macrolide antibiotic, Clarithromycin. Synonyms: De(cladinosyl) Clarithromycin; 3-O-De(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)-6-O-methylerythromycin; 5-O-Desosaminyl-6-O-methylerythronolide A; 3-O-Decladinosyl-6-O-methylerythronolide A; Clarithromycin EP Impurity I. Grade: ≥90.0%. CAS No. 118058-74-5. Molecular formula: C30H55NO10. Mole weight: 589.77. | |
| Clarithromycin related compound K | 3-O-De(cladinosyl)-8,9,10,11-tetradehydro-9-deoxo-11,12-dideoxy-9,12-epoxy Clarithromycin is an impurity of Clarithromycin. Synonyms: 3-O-De(cladinosyl)-8,9,10,11-tetradehydro-9-deoxo-11,12-dideoxy-9,12-epoxy Clarithromycin; 3-O-De(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)-8,9,10,11-tetradehydro-9-deoxo-11,12-dideoxy-9,12-epoxy-6-O-methylerythromycin; Clarithromycin EP Impurity K. Grade: >95%. CAS No. 127157-35-1. Molecular formula: C30H51NO8. Mole weight: 553.73. | |
| De(cladinosyl) Clarithromycin | De(cladinosyl) Clarithromycin is an impurity of Clarithromycin. De(cladinosyl) Clarithromycin showed significantly potent antibacterial activity against community acquired respiratory pathogens. Group: Biochemicals. Alternative Names: 3-O-De(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)-6-O-methylerythromycin; 5-O-Desosaminyl-6-O-methylerythronolide A; 3-O-Decladinosyl-6-O-methylerythronolide A. Grades: Highly Purified. CAS No. 118058-74-5. Pack Sizes: 100mg. US Biological Life Sciences. | Worldwide |
| N-Desmethyl Clarithromycin | A metabolite of the macrolide antibiotic, Clarithromycin. Synonyms: N-Demethyl-6-O-methylerythromycin; 3''-N-Demethylclarithromycin; N-Demethylclarithromycin; Clarithromycin EP Impurity D. Grade: >95%. CAS No. 101666-68-6. Molecular formula: C37H67NO13. Mole weight: 733.93. | |
| 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. Grade: >95%. CAS No. 13127-18-9. Molecular formula: C37H68N2O13. Mole weight: 748.94. | |
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