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Pharmaceutical Reference Standards / Impurity Standards

Erythromycin

Erythromycin

CAT. No.E080000
CAS. No.114-07-8
Mol. F.C37H67NO13
Mol. W.733.93 g/mol
Stock Status:Instock

Erythromycin Estolate

Erythromycin Estolate

CAT. No.E080001
CAS. No.3521-62-8
Mol. F.C40H71NO14.C12H26O4S
Mol. W.1056.39 g/mol
Stock Status:Instock

Erythromycin A 6,9-Imino Ether

Erythromycin A 6,9-Imino Ether

CAT. No.E080002
CAS. No.99290-97-8
Mol. F.C37H66N2O12
Mol. W.730.93 g/mol
Stock Status:Instock

Erythromycin Stearate

Erythromycin Stearate

CAT. No.E080003
CAS. No.643-22-1
Mol. F.C55H103NO15
Mol. W.1018.40 g/mol
Stock Status:Instock

Erythromycin Ethylsuccinate Impurity-G

Erythromycin Ethylsuccinate Impurity-G

CAT. No.E080004
CAS. No.NA
Mol. F.C42H73NO16
Mol. W.848.03 g/mol
Stock Status:Instock

Erythromycin N-Oxide

Erythromycin N-Oxide

CAT. No.E080005
CAS. No.992-65-4
Mol. F.C37H67NO14
Mol. W.749.92 g/mol
Stock Status:Instock

Erythromycin EP Impurity F

Erythromycin EP Impurity F

CAT. No.E080006
CAS. No.105882-69-7
Mol. F.C37H65NO12
Mol. W.715.91 g/mol
Stock Status:Instock

Erythromycin A oxime

Erythromycin A oxime

CAT. No.E080007
CAS. No.13127-18-9
Mol. F.C37H68N2O13
Mol. W.748.94 g/mol
Stock Status:Instock

Erythromycin B

Erythromycin B

CAT. No.E080008
CAS. No.527-75-3
Mol. F.C37H67NO12
Mol. W.717.93 g/mol
Stock Status:Instock

Erythromycin C

Erythromycin C

CAT. No.E080009
CAS. No.1675-02-1
Mol. F.C36H65NO13
Mol. W.719.90 g/mol
Stock Status:Instock

Erythromycin EP Impurity D

Erythromycin EP Impurity D

CAT. No.E080010
CAS. No.23893-13-2
Mol. F.C37H65NO12
Mol. W.715.91 g/mol
Stock Status:Instock

Erythromycin EP Impurity B

Erythromycin EP Impurity B

CAT. No.E080011
CAS. No.992-62-1
Mol. F.C36H65NO13
Mol. W.719.90 g/mol
Stock Status:Instock

Erythromycin EP Impurity E

Erythromycin EP Impurity E

CAT. No.E080012
CAS. No.33396-29-1
Mol. F.C37H65NO12
Mol. W.715.92 g/mol
Stock Status:Instock

Erythromycin ethyl succinate

Erythromycin ethyl succinate

CAT. No.E080013
CAS. No.1264-62-6
Mol. F.C43H75NO16
Mol. W.862.05 g/mol
Stock Status:Custom Synthesis

N-Demethyl-N-(ethylsuccinyl) Erythromycin

N-Demethyl-N-(ethylsuccinyl) Erythromycin

CAT. No.E080014
CAS. No.NA
Mol. F.C42H73NO16
Mol. W.848.03 g/mol
Stock Status:Custom Synthesis

Erythromycin

Erythromycin

CAT. No.E080015
CAS. No.111321-02-9
Mol. F.C38H70N2O12
Mol. W.746.97 g/mol
Stock Status:Custom Synthesis

Erythromycin thiocyanate

Erythromycin thiocyanate

CAT. No.E080017
CAS. No.7704-67-8
Mol. F.C38H68N2O13S
Mol. W.793.02 g/mol
Stock Status:Instock

Erythromycin EP Impurity A

Erythromycin EP Impurity A

CAT. No.E080021
CAS. No.82230-93-1
Mol. F.C37H67NO14
Mol. W.749.94 g/mol
Stock Status:Custom Synthesis

Erythromycin EP Impurity C

Erythromycin EP Impurity C

CAT. No.E080022
CAS. No.41451-91-6
Mol. F.C37H65NO14
Mol. W.747.93 g/mol
Stock Status:Under Synthesis

Pseudoerythromycin A Hemiketal

Pseudoerythromycin A Hemiketal

CAT. No.E080023
CAS. No.105900-46-7
Mol. F.C37H67NO13
Mol. W.733.93 g/mol
Stock Status:Instock

Erythromycin Impurity E

Erythromycin Impurity E

CAT. No.E080024
CAS. No.857839-61-3
Mol. F.C37H65NO12
Mol. W.715.93 g/mol
Stock Status:Custom Synthesis

Erythromycin A 9-methoxime

Erythromycin A 9-methoxime

CAT. No.E080025
CAS. No.53066-26-5
Mol. F.C38H70N2O13
Mol. W.762.97 g/mol
Stock Status:Custom Synthesis

Erythromycin EP Impurity L

Erythromycin EP Impurity L

CAT. No.E080026
CAS. No.127955-44-6
Mol. F.C37H65NO14
Mol. W.747.91 g/mol
Stock Status:Custom Synthesis

Erythromycin Impurity M

Erythromycin Impurity M

CAT. No.E080027
CAS. No.NA
Mol. F.C37H67NO13
Mol. W.733.94 g/mol
Stock Status:Limited Stock

2,4-O-Bis(trimethylsilyl)-6-O-methylerythromycin A 9-[O-(1- methoxy-1-methylethyl) Oxime

2,4-O-Bis(trimethylsilyl)-6-O-methylerythromycin A 9-[O-(1- methoxy-1-methylethyl) Oxime

CAT. No.E080028
CAS. No.119699-81-9
Mol. F.C48H94N2O14Si2
Mol. W.979.44 g/mol
Stock Status:Custom Synthesis

2,4-O-Bis(trimethylsilyl)erythromycin A 9-O-(1-Ethoxy-1-methylethyl)oxime

2,4-O-Bis(trimethylsilyl)erythromycin A 9-O-(1-Ethoxy-1-methylethyl)oxime

CAT. No.E080029
CAS. No.119665-78-0
Mol. F.C48H94N2O14Si2
Mol. W.979.44 g/mol
Stock Status:Custom Synthesis

Erythromycin Impurity I

Erythromycin Impurity I

CAT. No.E080030
CAS. No.546-57-6
Mol. F.C29H49NO8
Mol. W.539.70 g/mol
Stock Status:Instock

Erythromycin Stearate for Impurity S Identification

Erythromycin Stearate for Impurity S Identification

CAT. No.E080031
CAS. No.643-22-1
Mol. F.C37H67NO13.C18H36O2
Mol. W.1018.40 g/mol
Stock Status:Custom Synthesis

Erythromycin A 9,11-Imino Ether

Erythromycin A 9,11-Imino Ether

CAT. No.E080032
CAS. No.161193-44-8
Mol. F.C37H66N2O12
Mol. W.730.93 g/mol
Stock Status:Custom Synthesis

Erythromycin For Impurity M Identification

Erythromycin For Impurity M Identification

CAT. No.E080033
CAS. No.114-07-8
Mol. F.C37H67NO13
Mol. W.733.93 g/mol
Stock Status:Custom Synthesis

Erythromycin EP Impurity N

Erythromycin EP Impurity N

CAT. No.E080034
CAS. No.NA
Mol. F.C21H38O7
Mol. W.402.52 g/mol
Stock Status:Custom Synthesis

Erythromycin EP Impurity K

Erythromycin EP Impurity K

CAT. No.E080036
CAS. No.33442-56-7
Mol. F.C36H65NO12
Mol. W.703.9 g/mol
Stock Status:Limited Stock

Erythromycin EP Impurity L

Erythromycin EP Impurity L

CAT. No.E080038
CAS. No.NA
Mol. F.C37H65NO14
Mol. W.747.92 g/mol
Stock Status:Custom Synthesis

12-Deoxyerythromycin 9-Oxime

12-Deoxyerythromycin 9-Oxime

CAT. No.E080039
CAS. No.53274-43-4
Mol. F.C37H68N2O12
Mol. W.732.94 g/mol
Stock Status:Custom Synthesis

Erythromycin ethyl fumarate

Erythromycin ethyl fumarate

CAT. No.E080040
CAS. No.122293-08-7
Mol. F.C43H73NO16
Mol. W.860.04 g/mol
Stock Status:Instock

N-Nitroso Erythromycin EP Impurity B

N-Nitroso Erythromycin EP Impurity B

CAT. No.E080041
CAS. No.NA
Mol. F.C36H64N2O14
Mol. W.748.90 g/mol
Stock Status:Instock

Erythromycin Impurity 3

Erythromycin Impurity 3

CAT. No.E080043
CAS. No.NA
Mol. F.C39H74N2O12
Mol. W.763.01 g/mol
Stock Status:Custom Synthesis

Erythromycin Phthalate Impurity

Erythromycin Phthalate Impurity

CAT. No.E080045
CAS. No.NA
Mol. F.C45H71NO16
Mol. W.882.04 g/mol
Stock Status:Custom Synthesis

Clarithromycin Impurity 2

Clarithromycin Impurity 2

CAT. No.E080046
CAS. No.1054651-74-9
Mol. F.C37H67NO13
Mol. W.733.93 g/mol
Stock Status:Custom Synthesis

Clarithromycin Corresponding Impurity Of Erythromycin E

Clarithromycin Corresponding Impurity Of Erythromycin E

CAT. No.E080047
CAS. No.NA
Mol. F.C38H67NO14
Mol. W.761.94 g/mol
Stock Status:Custom Synthesis

Clarithromycin Corresponding Impurity Of Erythromycin B

Clarithromycin Corresponding Impurity Of Erythromycin B

CAT. No.E080048
CAS. No.NA
Mol. F.C38H69NO12
Mol. W.731.95 g/mol
Stock Status:Custom Synthesis

N-Nitroso-Desmethyl Erythromycin Ethyl Succinate

N-Nitroso-Desmethyl Erythromycin Ethyl Succinate

CAT. No.E080050
CAS. No.NA
Mol. F.C42H72N2O17
Mol. W.877.02 g/mol
Stock Status:Custom Synthesis

Erythromycin E N-oxide

Erythromycin E N-oxide

CAT. No.E080051
CAS. No.820978-34-5
Mol. F.C37H65NO15
Mol. W.763.91 g/mol
Stock Status:Custom Synthesis

N,N-Didemethyl Erythromycin

N,N-Didemethyl Erythromycin

CAT. No.E080052
CAS. No.37152-22-0
Mol. F.C35H63NO13
Mol. W.705.90 g/mol
Stock Status:Custom Synthesis

13-Desethyl,13-Propyl-Erythromycin A

13-Desethyl,13-Propyl-Erythromycin A

CAT. No.E080053
CAS. No.288584-78-1
Mol. F.C38H69NO13
Mol. W.747.96 g/mol
Stock Status:Custom Synthesis

13-Deethyl-13-methylerythromycin

13-Deethyl-13-methylerythromycin

CAT. No.E080054
CAS. No.229318-98-3
Mol. F.C36H65NO13
Mol. W.719.90 g/mol
Stock Status:Custom Synthesis

11-Dehydroxy Erythromycin A

11-Dehydroxy Erythromycin A

CAT. No.E080055
CAS. No.40554-78-7
Mol. F.C37H65NO12
Mol. W.715.90 g/mol
Stock Status:Custom Synthesis

Erythromycin EP Impurity I

Erythromycin EP Impurity I

CAT. No.E080056
CAS. No.NA
Mol. F.C29H49NO8
Mol. W.539.70 g/mol
Stock Status:Custom Synthesis

Erythromycin Propionate

Erythromycin Propionate

CAT. No.E400000
CAS. No.134-36-1
Mol. F.C40H71NO14
Mol. W.789.99 g/mol
Stock Status:Instock

Metabolites

Flurithromycin

Flurithromycin

CAT. No.E080044
CAS. No.82664-20-8
Mol. F.C37H66FNO13
Mol. W.751.93 g/mol
Stock Status:Custom Synthesis

Isotope Labelled Compounds

Erythromycin D6

Erythromycin D6

CAT. No.E080019
CAS. No.959119-25-6
Mol. F.C37H61D6NO13
Mol. W.739.96 g/mol
Stock Status:Custom Synthesis

Erythromycin Ethyl Succinate-D6

Erythromycin Ethyl Succinate-D6

CAT. No.E080035
CAS. No.NA
Mol. F.C43H69D6NO16
Mol. W.868.09 g/mol
Stock Status:Custom Synthesis

Erythromycin Ethylsuccinate-13C-D3

Erythromycin Ethylsuccinate-13C-D3

CAT. No.E080049
CAS. No.NA
Mol. F.C4213CH72D3NO16
Mol. W.866.06 g/mol
Stock Status:Custom Synthesis