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Azithromycin impurity 19. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (3R, 4R, 5S, 6R, 9R, 10S, 11S, 12R, 13R, 15R, Z)-12-(((2S, 3R, 4S, 6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-6-ethyl-4, 5-dihydroxy-10-(((2R, 4R, 5S, 6S)-5-hydroxy-4-methoxy-4, 6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3, 5, 9, 11, 13, 15-hexamethyl-7, 16-dioxa-2-azabicyclo[11.2.1]hexadec-1-en-8-one. CAS No. 99290-97-8. Molecular Formula: C37H66N2O12. Mole Weight: 730.93. Catalog: APB99290978.
Azithromycin impurity 20
Azithromycin impurity 20. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (3R, 4S, 5S, 6R, 7R, 9R, 11S, 12R, 13S, 14R, E)-6-(((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)-10-(hydroxyimino)-3, 5, 7, 9, 11, 13-hexamethyloxacyclotetradecan-2-one. CAS No. 111321-02-9. Molecular Formula: C37H68N2O13. Mole Weight: 748.94. Catalog: APB111321029.
Azithromycin Impurity 23
Azithromycin Impurity 23. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C38H70N2O12. Mole Weight: 746.98. Catalog: APB06601.
Azithromycin Impurity 25
Azithromycin Impurity 25. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C38H74N2O13. Mole Weight: 767.01. Catalog: APB06602.
Azithromycin Impurity 26
Azithromycin Impurity 26. Uses: For analytical and research use. Group: Impurity standards. CAS No. 2365312-75-8. Molecular Formula: C38H74N2O13. Mole Weight: 767.01. Catalog: APB2365312758.
Azithromycin Impurity 27
Azithromycin Impurity 27. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C30H60N2O10. Mole Weight: 608.81. Catalog: APB06603.
Azithromycin Impurity 28
Azithromycin Impurity 28. Uses: For analytical and research use. Group: Impurity standards. CAS No. 2365312-76-9. Molecular Formula: C30H60N2O10. Mole Weight: 608.81. Catalog: APB2365312769.
Azithromycin Impurity 29
Azithromycin Impurity 29. Uses: For analytical and research use. Group: Impurity standards. CAS No. 217500-34-0. Molecular Formula: C41H79N3O12. Mole Weight: 806.08. Catalog: APB217500340.
Azithromycin Impurity A
Azithromycin, derived from erythromycin, is an antibiotic. It binds to the 50S subunit of the bacterial ribosome, and thus inhibits translation of mRNA. It is an azalide, a subclass of macrolide antibiotics and is one of the world's best-selling antibiotics. Synonyms: Azaerythromycin A; 9-Deoxo-9a-aza-9a-homoerythromycin A; Desmethyl Azithromycin. Grades: > 98%. CAS No. 76801-85-9. Molecular formula: C37H70N2O12. Mole weight: 734.96.
Azithromycin Impurity B
Azithromycin Impurity B is an impurity of Azithromycin. Synonyms: Azithromycin B. Grades: > 95%. CAS No. 307974-61-4. Molecular formula: C38H72N2O11. Mole weight: 733.00.
Azithromycin impurity C
Azithromycin impurity C. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Azithromycin C (3?-O-demethylazithromycin)k; (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-13-((4,5-dihydroxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-11-((4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,10-trihydroxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one. CAS No. 620169-47-3. Molecular Formula: C37H70N2O12. Mole Weight: 734.96. Catalog: APB620169473.
Azithromycin Impurity C
An impurity of Azithromycin. Azithromycin is an antibiotic for the treatment of bacterial infections including middle ear infections, strep throat, pneumonia, and other sexually transmitted infections. Synonyms: Azithromycin C; 3''-O-Demethylazithromycin; Azithromycin EP Impurity C. Grades: > 95%. CAS No. 620169-47-3. Molecular formula: C37H70N2O12. Mole weight: 734.97.
Azithromycin Impurity D
Azithromycin Impurity D is an impurity of azithromycin, a macrolide antibiotic used for bacterial infections. Synonyms: Azithromycin F; Azithromycin EP Impurity D; 14-Demethyl-14-(hydroxymethyl)azithromycin. CAS No. 612069-26-8. Molecular formula: C38H72N2O13. Mole weight: 764.98.
Azithromycin Impurity E
Azithromycin Impurity E is one of several different impurities found in the macrolide antibiotic, azithromycin. It can be used as a reference standard for azithromycin impurity tracing. Synonyms: N',N'-Di(desmethyl) azithromycin; 3'-N,N-Di(desmethyl) azithromycin. Grades: > 95%. CAS No. 612069-27-9. Molecular formula: C36H68N2O12. Mole weight: 720.95.
Azithromycin Impurity F
Azithromycin Impurity F is one of several different impurities found in the macrolide antibiotic, azithromycin. It can be used as a trace impurity reference standard. Synonyms: 3'-N-Demethyl-3'-N-formylazithromycin; Azithromycin Related Compound F. Grades: > 95%. CAS No. 612069-28-0. Molecular formula: C38H70N2O13. Mole weight: 762.99.
Azithromycin Impurity G
Azithromycin Impurity G is an impurity found in the macrolide antibiotic, azithromycin. It can be used as a standard to trace azithromycin impurities. Synonyms: 3'-N-Demethyl-3'-N-((4-methylphenyl)sulfonyl)azithromycin; Azithromycin EP Impurity G. Grades: > 95%. CAS No. 612069-31-5. Molecular formula: C44H76N2O14S. Mole weight: 889.17.
Azithromycin Impurity H
Azithromycin Impurity H is an impurity found in the macrolide antibiotic, azithromycin. It can be used as a reference standard to trace impurities in azithromycin. Synonyms: 3'-N-((4-(Acetylamino)phenyl)sulfonyl)-3'-N-demethylazithromycin; Azithromycin Related Impurity H. Grades: > 95%. CAS No. 612069-30-4. Molecular formula: C45H77N3O15S. Mole weight: 932.19.
Azithromycin Impurity I
Azithromycin Impurity I is an impurity of azithromycin, a macrolide antibiotic used for bacterial infections. Synonyms: CP-64434; Azithromycin EP Impurity I; Azithromycin Impurity I; N'-Desmethyl Azithromycin; 3'-N-Desmethylazithromycin. Grades: > 95%. CAS No. 172617-84-4. Molecular formula: C37H70N2O12. Mole weight: 734.98.
Azithromycin Impurity J
Azithromycin Impurity J is a metabolite of the semi-synthetic macrolide antibiotic Azithromycin. Synonyms: CP 66458; Desosaminylazithromycin; Azithromycin EP Impurity J. Grades: > 95%. CAS No. 117693-41-1. Molecular formula: C30H58N2O9. Mole weight: 590.79.
Azithromycin Impurity K
Azithromycin Impurity K is a metabolite of the semi-synthetic macrolide antibiotic Azithromycin. Synonyms: C14,1''-epoxyazithromycin. Grades: > 95%. CAS No. 612534-95-9. Molecular formula: C38H70N2O13. Mole weight: 762.97.
Azithromycin Impurity L
An impurity found in the macrolide antibiotic, azithromycin. Synonyms: Azithromycin EP Impurity L; Azithromycin N-Oxide. Grades: > 95%. CAS No. 90503-06-3. Molecular formula: C38H72N2O13. Mole weight: 764.98.
Azithromycin Impurity M
Azithromycin Impurity M is a degradation products of Azithromycin. Synonyms: 3'-N,N-Di(desmethyl)-3'-N-formyl Azithromycin. Grades: > 95%. CAS No. 765927-71-7. Molecular formula: C37H68N2O13. Mole weight: 748.96.
Azithromycin Impurity N
Azithromycin Impurity N is a degradation products of Azithromycin. Synonyms: Azithromycin EP Impurity N; 3'-De(dimethylamino)-3'-oxoazithromycin. Grades: > 95%. CAS No. 612069-25-7. Molecular formula: C36H65NO13. Mole weight: 719.92.
Azithromycin impurity P
Azithromycin impurity P. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-(((3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2,6-diethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,8,10,12,14-hexamethyl-1-oxa-6-azacyclopentadecan-15-one. CAS No. 92594-45-1. Molecular Formula: C39H74N2O12. Mole Weight: 763.01. Catalog: APB92594451.
Azithromycin Impurity Q
Cas No. 2095879-65-3.
Azithromycin impurity R
Azithromycin impurity R. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (1R,2R,3R,6R,7S,8S,9R,10S,12R,15R)-9-(((3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-3-ethyl-2,10-dihydroxy-7-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-2,6,8,10,12,15-hexamethyl-4,16-dioxa-14-azabicyclo[11.2.1]hexadec-13-en-5-one. CAS No. 161193-44-8. Molecular Formula: C37H66N2O12. Mole Weight: 730.93. Catalog: APB161193448.
Azithromycin Impurity R
Azithromycin Impurity R is an impurity in the synthesis of Erythromycin. Synonyms: Erythromycin A 9,11-Imino Ether. Grades: > 95%. CAS No. 161193-44-8. Molecular formula: C37H66N2O12. Mole weight: 730.94.
Azithromycin impurity S
Azithromycin impurity S. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (3R, 4S, 5S, 6R, 7R, 9R, 11S, 12R, 13S, 14R, E)-6-(((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)-10-(methoxyimino)-3, 5, 7, 9, 11, 13-hexamethyloxacyclotetradecan-2-one. CAS No. 53066-26-5. Molecular Formula: C38H70N2O13. Mole Weight: 762.97. Catalog: APB53066265.
Azithromycin EP impurity B
Azithromycin EP impurity B. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2R,3R,4S,5R,8R,10R,11R,12S,13S,14R)-11-(((2S,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-4,10-dihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one. CAS No. 307974-61-4. Molecular Formula: C38H72N2O11. Mole Weight: 732.99. Catalog: APB307974614.
Azithromycin EP impurity D
Azithromycin EP impurity D. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-(((3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-14-(hydroxymethyl)-3,5,6,8,10,12-hexamethyl-1-oxa-6-azacyclopentadecan-15-one. CAS No. 612069-26-8. Molecular Formula: C38H72N2O13. Mole Weight: 764.98. Catalog: APB612069268.
Azithromycin EP Impurity D
Azithromycin EP Impurity D. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C38H72N2O13. Mole Weight: 764.99. Catalog: APB06598.
Azithromycin EP impurity E
Azithromycin EP impurity E. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3'-N,NDidemethyl)azithromycin (aminoazithromycin)e; (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-(((3R,4S,6R)-4-amino-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one. CAS No. 612069-27-9. Molecular Formula: C36H68N2O12. Mole Weight: 720.93. Catalog: APB612069279.
Azithromycin EP impurity F
Azithromycin EP impurity F. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Azithromycin related compound F; N-((3R, 4S, 6R)-2-(((2R, 3S, 4R, 5R, 8R, 10R, 11R, 12S, 13S, 14R)-2-ethyl-3, 4, 10-trihydroxy-13-(((2R, 4R, 5S, 6S)-5-hydroxy-4-methoxy-4, 6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3, 5, 6, 8, 10, 12, 14-heptamethyl-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-3-hydroxy-6-methyltetrahydro-2H-pyran-4-yl)-N-methylformamide. CAS No. 612069-28-0. Molecular Formula: C38H70N2O13. Mole Weight: 762.97. Catalog: APB612069280.
Azithromycin EP impurity G
Azithromycin EP impurity G. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3'-N-Demethyl-3'-N-[(4-methylphenyl)sulfonyl]azi Thromycinq; N-((3R, 4S, 6R)-2-(((2R, 3S, 4R, 5R, 8R, 10R, 11R, 12S, 13S, 14R)-2-ethyl-3, 4, 10-trihydroxy-13-(((2R, 4R, 5S, 6S)-5-hydroxy-4-methoxy-4, 6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3, 5, 6, 8, 10, 12, 14-heptamethyl-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-3-hydroxy-6-methyltetrahydro-2H-pyran-4-yl)-N, 4-dimethylbenzenesulfonamide. CAS No. 612069-31-5. Molecular Formula: C44H76N2O14S. Mole Weight: 889.14. Catalog: APB612069315.
Azithromycin EP impurity H
Azithromycin EP impurity H. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3'-N-{[4-(Acetylamino)phenyl]sulfonyl}-3'-demethyla Zithromycinm; N-(4-(N-((3R, 4S, 6R)-2-(((2R, 3S, 4R, 5R, 8R, 10R, 11R, 12S, 13S, 14R)-2-ethyl-3, 4, 10-trihydroxy-13-(((2R, 4R, 5S, 6S)-5-hydroxy-4-methoxy-4, 6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3, 5, 6, 8, 10, 12, 14-heptamethyl-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-3-hydroxy-6-methyltetrahydro-2H-pyran-4-yl)-N-methylsulfamoyl)phenyl)acetamide. CAS No. 612069-30-4. Molecular Formula: C45H77N3O15S. Mole Weight: 932.17. Catalog: APB612069304.
Azithromycin EP impurity I
Azithromycin EP impurity I. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: N-Demethylazithromycini; (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-11-(((3R,4S,6R)-3-hydroxy-6-methyl-4-(methylamino)tetrahydro-2H-pyran-2-yl)oxy)-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one. CAS No. 172617-84-4. Molecular Formula: C37H70N2O12. Mole Weight: 734.96. Catalog: APB172617844.
Azithromycin EP impurity K
Azithromycin EP impurity K. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2S, 4aR, 4'R, 5'S, 6'S, 7R, 8S, 9R, 10R, 13R, 15R, 16R, 17S, 17aS)-16-(((3R, 4S, 6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-7-ethyl-5', 8, 9, 15-tetrahydroxy-4'-methoxy-4', 6', 8, 10, 11, 13, 15, 17-octamethylhexadecahydro-4H-spiro[[1, 3]dioxino[4, 5-m][1, 6]oxaazacyclopentadecine-2, 2'-pyran]-5(4aH)-one. CAS No. 612534-95-9. Molecular Formula: C38H70N2O13. Mole Weight: 762.97. Catalog: APB612534959.
Azithromycin EP Impurity L
Azithromycin EP Impurity L. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Azithromycin N-oxidea; (3R, 4S, 6R)-2-(((2R, 3S, 4R, 5R, 8R, 10R, 11R, 12S, 13S, 14R)-2-ethyl-3, 4, 10-trihydroxy-13-(((2R, 4R, 5S, 6S)-5-hydroxy-4-methoxy-4, 6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3, 5, 6, 8, 10, 12, 14-heptamethyl-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-3-hydroxy-N, N, 6-trimethyltetrahydro-2H-pyran-4-amine oxide. CAS No. 90503-06-3. Molecular Formula: C38H72N2O13. Mole Weight: 764.98. Catalog: APB90503063.
Azithromycin EP impurity M
Azithromycin EP impurity M. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3'-(N,N-Didemethyl)-3'-N-formylazithromycin; N-((3R, 4S, 6R)-2-(((2R, 3S, 4R, 5R, 8R, 10R, 11R, 12S, 13S, 14R)-2-ethyl-3, 4, 10-trihydroxy-13-(((2R, 4R, 5S, 6S)-5-hydroxy-4-methoxy-4, 6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3, 5, 6, 8, 10, 12, 14-heptamethyl-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-3-hydroxy-6-methyltetrahydro-2H-pyran-4-yl)formamide. CAS No. 765927-71-7. Molecular Formula: C37H68N2O13. Mole Weight: 748.94. Catalog: APB765927717.
Azithromycin EP Impurity N
Azithromycin EP Impurity N. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3'-De(dimethylamino)-3'-oxoazithromycinl; (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-11-(((3S,6R)-3-hydroxy-6-methyl-4-oxotetrahydro-2H-pyran-2-yl)oxy)-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one. CAS No. 612069-25-7. Molecular Formula: C36H65NO13. Mole Weight: 719.90. Catalog: APB612069257.
Azithromycin EP impurity O
Azithromycin EP impurity O. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-Desethyl-2-propylazithromycinp; (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-(((3R,4S,6S)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,6,8,10,12,14-heptamethyl-2-propyl-1-oxa-6-azacyclopentadecan-15-one. CAS No. 763924-54-5. Molecular Formula: C39H74N2O12. Mole Weight: 763.01. Catalog: APB763924545.
Azithromycin EP impurity Q
Azithromycin EP impurity Q. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3'-N-{[4-(Acetylamino)phenyl]sulfonyl}-3',3'-dideme thylazithromycinh; N-(4-(N-((2S, 3R, 4S, 6R)-2-(((2R, 3S, 4R, 5R, 8R, 10R, 11R, 12S, 13S, 14R)-2-ethyl-3, 4, 10-trihydroxy-13-(((2R, 4R, 5S, 6S)-5-hydroxy-4-methoxy-4, 6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3, 5, 6, 8, 10, 12, 14-heptamethyl-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-3-hydroxy-6-methyltetrahydro-2H-pyran-4-yl)sulfamoyl)phenyl)acetamide. CAS No. 2095879-65-3. Molecular Formula: C44H75N3O15S. Mole Weight: 918.14. Catalog: APB2095879653.
Azithromycin EP Impurity Q
Azithromycin EP Impurity Q. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C44H75N3O15S. Mole Weight: 918.15. Catalog: APB06599.
12-Deoxy-α-Aza-8α-homoerythromycin A
12-Deoxy-α-Aza-8α-homoerythromycin A is an impurity in the synthesis of Azithromycin (A927000), a semi-synthetic macrolide antibiotic, and related to Erythromycin A. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg, 2.5mg. Molecular Formula: C37H68N2O12. US Biological Life Sciences.
Azithromycin Aglycone is an impurity of Azithromycin. Azithromycin is a macrolide antibiotic used to treat a variety of bacterial infections. Synonyms: (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10,11,13-pentahydroxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one. CAS No. 117693-42-2. Molecular formula: C22H43NO7. Mole weight: 433.58.
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
Azithromycin impurities 23
Azithromycin impurities 23. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: thiocyanic acid compound with (3R, 4S, 5S, 6R, 7R, 9R, 11S, 12R, 13S, 14R, E)-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)-10-(hydroxyimino)-3, 5, 7, 9, 11, 13-hexamethyloxacyclotetradecan-2-one (1:1). CAS No. 1126088-19-4. Molecular Formula: C38H69N3O13S. Mole Weight: 808.03. Catalog: APB1126088194.
Cladinose
Cladinose, an imperative chemical modification present in the macrolide category of antibacterial medications, demonstrates its excellence in combating Gram-positive bacteria, even the drug-resistant variants. With its pivotal role, Cladinose actively treats bacterial infections involving pneumonia, respiratory tract infections, skin and soft tissue infections, as well as selective sexually transmitted diseases. Notably, the inclusion of Cladinose remarkably enhances the efficiency and potency of these antibiotics, thereby advancing their therapeutic outcomes. Synonyms: L-Cladinose; 2,6-Dideoxy-3-C-methyl-3-O-methyl-ribo-hexose; Azithromycin Impurity 4; (4R,5S,6S)-4-Methoxy-4,6-dimethyltetrahydro-2H-pyran-2,5-diol; 3-C,3-O-Dimethyl-2,6-dideoxy-D-ribo-hexose. Grades: ≥95%. CAS No. 470-12-2. Molecular formula: C8H16O4. Mole weight: 176.21.
Descladinose Azithromycin-d3
Labelled Descladinose Azithromycin, a metabolite of the semi-synthetic macrolide antibiotic Azithromycin. Synonyms: (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-Ethyl-3,4,10,13-tetrahydroxy-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-d3; CP 66458-d3; Desosaminylazithromycin-d3; Azithromycin Impurity J-d3. Molecular formula: C30H55D3N2O9. Mole weight: 593.81.
Lexithromycin
It is an early semi-synthetic erythromycin, prepared by reaction of the 9-keto moiety to methyl oxime. It shows broad spectrum antibacterial and antiprotozoan activity and acts by binding to the 30S and 50S ribosomal sub-units, blocking protein synthesis. Synonyms: Erythromycin A 9-methoxime; Wy 48314; Erythromycin A 9-(O-methyloxime); 9-deoxo-9-methoxyiminoerythromycin A; Azithromycin Impurity 4. Grades: >98% by HPLC. CAS No. 53066-26-5. Molecular formula: C38H70N2O13. Mole weight: 762.97.
N-Desmethyl Azithromycin B
N-Desmethyl Azithromycin B Is an impurity of Azithromycin (A927000), a semi-synthetic macrolide antibiotic, and related to Erythromycin A. Group: Biochemicals. Grades: Highly Purified. CAS No. 857078-26-3. Pack Sizes: 500ug, 2.5mg. Molecular Formula: C37H70N2O11. US Biological Life Sciences.
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