A broad spectrum antibiotic which is used to inhibit some Gram-positive bacteria, some Gram-negative bacteria, and many atypical bacteria. Azithromycin is an azalide which is a type of macrolide antibiotic. It prevents bacteria from growing by interfering in its protein synthesis. Reference standards of Azithromycin API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
Azithromycin
Catalogue No.:PA 01 88000
CAS :
Molecular Formula : C38H72N2O12
Molecular Weight : 748.98
6-Demethylazithromycin
Catalogue No.:PA 01 88010
Molecular Formula : C37H70N2O12
Molecular Weight : 734.96
3-Deoxyazithromycin
Catalogue No.:PA 01 88020
Molecular Formula : C38H72N2O11
Molecular Weight : 733
3''-O-demethylazithromycin
Catalogue No.:PA 01 88030
Molecular Weight : 734.98
14-Demethyl-14-(hydroxymethyl)azithromycin
Catalogue No.:PA 01 88040
Molecular Formula : C38H72N2O13
Molecular Weight : 765.00
3′-(N,N-Didemethyl)azithromycin
Catalogue No.:PA 01 88050
Molecular Formula : C36H68N2O12
Molecular Weight : 720.93
3'-N-Demethyl-3'-N-formylazithromycin
Catalogue No.:PA 01 88060
Molecular Formula : C38H70N2O13
Molecular Weight : 762.97
3'-N-demethyl-3'-N-[(4-methylphenyl)sulfonyl]azithromycin
Catalogue No.:PA 01 88070
Molecular Formula : C44H76N2O14S
Molecular Weight : 889.14
3'-N-[[4-(Acetylamino)phenyl]sulphonyl]3'-N-demethylazithromycin
Catalogue No.:PA 01 88080
Molecular Formula : C45H77N3O15S
Molecular Weight : 932.17
3'-N-Demethylazithromycin
Catalogue No.:PA 01 88090
Decladinosylazithromycin
Catalogue No.:PA 01 88100
Molecular Formula : C30H58N2O9
Molecular Weight : 590.79
C14,1''-Epoxyazithromycin
Catalogue No.:PA 01 88110
Molecular Weight : 762.99
Azithromycin N-Oxide
Catalogue No.:PA 01 88120
Molecular Weight : 764.98
3'-N,N-Di(desmethyl)-3'-N-formyl Azithromycin
Catalogue No.:PA 01 88130
Molecular Formula : C37H68N2O13
Molecular Weight : 748.94
3'-De(dimethylamino)-3'-oxoazithromycin
Catalogue No.:PA 01 88140
Molecular Formula : C36H65NO13
Molecular Weight : 719.91
2-Desethyl-2-propylazithromycin
Catalogue No.:PA 01 88150
Molecular Formula : C39H74N2O12
Molecular Weight : 763.03
3'-N-Demethyl-3'-N-butyl-2-ol-azithromycin
Catalogue No.:PA 01 88510
Molecular Formula : C41H78N2O13
Molecular Weight : 807.06
N-Desmethyl Azithromycin B
Catalogue No.:PA 01 88520
Molecular Formula : C37H70N2O11
Molecular Weight : 718.96
Azithromycin N-Ethyl
Catalogue No.:PA 01 88530
Molecular Weight : 763.01
3'-N-[[4-(Acetylamino)phenyl]sulfonyl]-3'-N-demethyl Azithromycin-d4
Catalogue No.:PA STI 002160
Molecular Formula : C45H73D4N3O15S
Molecular Weight : 936.19
Azithromycin-d3
Catalogue No.:PA STI 009760
Molecular Formula : C38H69D3N2O12
Molecular Weight : 752.00
Azithromycin-13Cd3
Catalogue No.:PA STI 009761
Molecular Formula : C3713CH69D3N2O12
Molecular Weight : 753.00
Descladinose Azithromycin-d3
Catalogue No.:PA STI 027180
Molecular Formula : C30H55D3N2O9
Molecular Weight : 593.81
Azithromycin (1046056)
Catalogue No.:PA USP1046056
Molecular Formula : NA
Molecular Weight : NA
Azithromycin N-Oxide (1046090)
Catalogue No.:PA USP1046090
Azithromycin Identity (1046067)
Catalogue No.:PA USP1046067
Desosaminylazithromycin (1046078)
Catalogue No.:PA USP1046078
N-Demethylazithromycin (1046089)
Catalogue No.:PA USP1046089
Azithromycin Related Compound F (3'-N-demethyl-3'-N-formylazithromycin) (1046045)
Catalogue No.:PA USP1046045
Azithromycin Related Compound H (3'-N-[[4-(acetylamino)phenyl]sulfonyl]-3'-N-demethylazithromycin) (1046023)
Catalogue No.:PA USP1046023
Azithromycin impurity A (Y0000307)
Catalogue No.:PA EPY0000307
Azithromycin for peak identification (Y0000637)
Catalogue No.:PA EPY0000637
Azithromycin for system suitability (Y0000641)
Catalogue No.:PA EPY0000641
Azithromycin (Y0000306)
Catalogue No.:PA EPY0000306
Azithromycin Identification Mixture (1046012)
Catalogue No.:PA USP1046012
3-Hydroxy Azithromycinoic Acid Sodium Salt
Catalogue No.:PA 01 88540
Molecular Formula : C30H59N2NaO10
Molecular Weight : 630.8
Catalogue No.:PA IPIMP 01 14
Molecular Formula :
Catalogue No.:PA IPIPRS 62 14
Azithromycin-d5
Catalogue No.:PA STI 009762
Molecular Formula : C38H67D5N2O12
Molecular Weight : 754.03
12-Deoxyerythromycin 9-Oxime
Catalogue No.:PA 01 0881000
Molecular Formula : C37H68N2O12
Molecular Weight : 732.95
Azaerythromycin A 11,12-Hydrogen Borate
Catalogue No.:PA 01 0881001
Molecular Formula : C37H69BN2O13
Molecular Weight : 760.77
3'-N-[[4-(Acetylamino)phenyl]sulfonyl]-3'-(N,N-didemethyl)azithromycin
Catalogue No.:PA 01 88170
Molecular Formula : C44H75N3O15S
Molecular Weight : 918.15
9a-aza-9a-homo erythromycin A
Catalogue No.:PA 01 0881002
Molecular Weight : 748.95
(2R,3R,4S,6R)-4-(Dimethylamino)-6-methyltetrahydro-2H-pyran-2,3-diol
Catalogue No.:PA 01 0881003
Molecular Formula : C8H17NO3
Molecular Weight : 175.23
(4R,5S,6S)-4-Methoxy-4,6-dimethyltetrahydro-2H-pyran-2,5-diol
Catalogue No.:PA 01 0881004
Molecular Formula : C8H16O4
Molecular Weight : 176.21
(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
Catalogue No.:PA 01 0881005
Molecular Formula : C22H43NO7
Molecular Weight : 433.59
(2R,3S,4R,5R,8R,10R,11R,12R,13S,14R)-2-ethyl-3,4,10,11-tetrahydroxy-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
Catalogue No.:PA 01 0881006
Molecular Formula : C30H57NO10
Molecular Weight : 591.78
(3aS,4R,7R,8S,9S,10R,11R,13R,16R,16aR)-10-(((2S,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-4-ethyl-2,11-dihydroxy-8-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3a,7,9,11,13,15,16-heptamethyldodecahydro-[1,3,2]dioxaborolo[4,5-c][1]oxa[6]azacyclopentadecin-6(4H)-one
Catalogue No.:PA 01 0881007
Molecular Formula : C38H71BN2O13
Molecular Weight : 774.8
3’-N-Demethyl-3’-N- (phenylsulfonyl) azithromycin
Catalogue No.:PA 01 0881008
Molecular Formula : C43H74N2O14S
Molecular Weight : 875.13
N-Nitroso Azithromycin
Catalogue No.:PA 01 0881009
Molecular Formula : C37H69N3O13
Molecular Weight : 763.97
Azithromycin (IPRSA013)
Catalogue No.:PA IPRSA013
(3R,4S,5R,6R,9R,10S,11S,12R,15R,Z)-12-(((2S,3R,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-6-ethyl-4-hydroxy-10-(((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
Catalogue No.:PA 01 0881011
Molecular Formula : C37H66N2O11
Molecular Weight : 714.94
(Z)-12-((4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-6-ethyl-4,5,10-trihydroxy-3,5,9,11,13,15-hexamethyl-7,16-dioxa-2-azabicyclo[11.2.1]hexadec-1-en-8-one
Catalogue No.:PA 01 0881012
Molecular Formula : C29H52N2O9
Molecular Weight : 572.74
Desosamine
Catalogue No.:PA 01 0881013
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)-N-methylnitrous amide
Catalogue No.:PA 01 0881014
Nitroso N-De Methyl Azithromycin-D3
Catalogue No.:PA STI 089723
Molecular Formula : C38H68D3N3O13
Molecular Weight : 781.01
Azithromycin (WSM)
Catalogue No.:PA WSM 08801003
Molecular Weight : 749
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)-N-nitrosoformamide
Catalogue No.:PA 01 0881015
Molecular Formula : C37H67N3O14
Molecular Weight : 777.95
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