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  • Erythromycin

Erythromycin Related Products

SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Erythromycin, pharmacopeial and non-pharmacopeial Erythromycin impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Erythromycin impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Erythromycin-related products are thoroughly characterized. Erythromycin products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

Pharmaceutical Reference Standards

Erythromycin

Picture of Erythromycin
CAT No: SZ-E006001
CAS No: 114-07-8
Mol.F. : C37H67NO13
Mol.Wt. : 733.9
Inv. Status: In Stock
Rel. CAS No : 14271-02-4 (HCl salt) ; 7184-72-7 (Sulfate salt)
SZ-E006001
CAS No:114-07-8
Mol.F.: C37H67NO13
Mol.Wt.: 733.9
Inv. Status: In Stock
Rel. CAS No : 14271-02-4 (HCl salt) ; 7184-72-7 (Sulfate salt)

Erythromycin EP Impurity E

Picture of Erythromycin EP Impurity E
CAT No: SZ-E006002
CAS No: 33396-29-1
Mol.F. : C37H65NO12
Mol.Wt. : 715.9
Inv. Status: In Stock
SZ-E006002
CAS No:33396-29-1
Mol.F.: C37H65NO12
Mol.Wt.: 715.9
Inv. Status: In Stock

Erythromycin EP Impurity F

Picture of Erythromycin EP Impurity F
CAT No: SZ-E006003
CAS No: 105882-69-7
Mol.F. : C37H65NO12
Mol.Wt. : 715.9
Inv. Status: In Stock
SZ-E006003
CAS No:105882-69-7
Mol.F.: C37H65NO12
Mol.Wt.: 715.9
Inv. Status: In Stock

Erythromycin EP Impurity D

Picture of Erythromycin EP Impurity D
CAT No: SZ-E006004
CAS No: 23893-13-2
Mol.F. : C37H65NO12
Mol.Wt. : 715.9
Inv. Status: Out of Stock, Custom Synthesis
Rel. CAS No : 91326-68-0 (HCl salt)
SZ-E006004
CAS No:23893-13-2
Mol.F.: C37H65NO12
Mol.Wt.: 715.9
Inv. Status: Out of Stock, Custom Synthesis
Rel. CAS No : 91326-68-0 (HCl salt)

Erythromycin EP Impurity B

Picture of Erythromycin EP Impurity B
CAT No: SZ-E006005
CAS No: 992-62-1
Mol.F. : C36H65NO13
Mol.Wt. : 719.9
Inv. Status: In Stock
SZ-E006005
CAS No:992-62-1
Mol.F.: C36H65NO13
Mol.Wt.: 719.9
Inv. Status: In Stock

Erythromycin B

Picture of Erythromycin B
CAT No: SZ-E006006
CAS No: 527-75-3
Mol.F. : C37H67NO12
Mol.Wt. : 717.9
Inv. Status: In Stock
SZ-E006006
CAS No:527-75-3
Mol.F.: C37H67NO12 
Mol.Wt.: 717.9
Inv. Status: In Stock

Mono-Ethyl Succinate

Picture of Mono-Ethyl Succinate
CAT No: SZ-E006007
CAS No: 1070-34-4
Mol.F. : C6H10O4
Mol.Wt. : 146.1
Inv. Status: In Stock
Rel. CAS No : 51099-98-0 (Na salt) ; 24356-34-1 (K salt)
SZ-E006007
CAS No:1070-34-4
Mol.F.: C6H10O4
Mol.Wt.: 146.1
Inv. Status: In Stock
Rel. CAS No : 51099-98-0 (Na salt) ; 24356-34-1 (K salt)

Erythromycin EP Impurity H

Picture of Erythromycin EP Impurity H
CAT No: SZ-E006008
CAS No: 992-65-4
Mol.F. : C37H67NO14
Mol.Wt. : 749.9
Inv. Status: In Stock
SZ-E006008
CAS No:992-65-4
Mol.F.: C37H67NO14
Mol.Wt.: 749.9
Inv. Status: In Stock

Erythromycin EP Impurity L

Picture of Erythromycin EP Impurity L
CAT No: SZ-E006009
CAS No: 127955-44-6
Mol.F. : C37H65NO14
Mol.Wt. : 747.9
Inv. Status: In Stock
SZ-E006009
CAS No:127955-44-6
Mol.F.: C37H65NO14
Mol.Wt.: 747.9
Inv. Status: In Stock

Erythromycin Ethylsuccinate EP Impurity G

Picture of Erythromycin Ethylsuccinate EP Impurity G
CAT No: SZ-E006010
CAS No: NA
Mol.F. : C42H73NO16
Mol.Wt. : 848.0
Inv. Status: Limited Stock
SZ-E006010
CAS No:NA
Mol.F.: C42H73NO16
Mol.Wt.: 848.0
Inv. Status: Limited Stock

Erythromycin EP Impurity A

Picture of Erythromycin EP Impurity A
CAT No: SZ-E006011
CAS No: NA
Mol.F. : C37H67NO14
Mol.Wt. : 749.9
Inv. Status: Custom Synthesis
SZ-E006011
CAS No:NA
Mol.F.: C37H67NO14
Mol.Wt.: 749.9
Inv. Status: Custom Synthesis

Erythromycin EP Impurity C

Picture of Erythromycin EP Impurity C
CAT No: SZ-E006012
CAS No: 41451-91-6
Mol.F. : C37H65NO14
Mol.Wt. : 747.9
Inv. Status: Custom Synthesis
SZ-E006012
CAS No:41451-91-6
Mol.F.: C37H65NO14
Mol.Wt.: 747.9
Inv. Status: Custom Synthesis

Erythromycin EP Impurity J

Picture of Erythromycin EP Impurity J
CAT No: SZ-E006013
CAS No: 111321-02-9
Mol.F. : C37H68N2O13
Mol.Wt. : 749.0
Inv. Status: Custom Synthesis
SZ-E006013
CAS No:111321-02-9
Mol.F.: C37H68N2O13
Mol.Wt.: 749.0
Inv. Status: Custom Synthesis

Erythromycin EP Impurity I

Picture of Erythromycin EP Impurity I
CAT No: SZ-E006014
CAS No: NA
Mol.F. : C29H49NO8
Mol.Wt. : 539.7
Inv. Status: In Stock
SZ-E006014
CAS No:NA
Mol.F.: C29H49NO8
Mol.Wt.: 539.7
Inv. Status: In Stock

Erythromycin EP Impurity K

Picture of Erythromycin EP Impurity K
CAT No: SZ-E006015
CAS No: 33442-56-7
Mol.F. : C36H65NO12
Mol.Wt. : 703.9
Inv. Status: Custom Synthesis
SZ-E006015
CAS No:33442-56-7
Mol.F.: C36H65NO12
Mol.Wt.: 703.9
Inv. Status: Custom Synthesis

Erythromycin EP Impurity N

Picture of Erythromycin EP Impurity N
CAT No: SZ-E006016
CAS No: NA
Mol.F. : C21H38O7
Mol.Wt. : 402.5
Inv. Status: Custom Synthesis
SZ-E006016
CAS No:NA
Mol.F.: C21H38O7
Mol.Wt.: 402.5
Inv. Status: Custom Synthesis

Erythromycin A Imino ether

Picture of Erythromycin A Imino ether
CAT No: SZ-E006017
CAS No: 99290-97-8
Mol.F. : C37H66N2O12
Mol.Wt. : 730.9
Inv. Status: Out of Stock
SZ-E006017
CAS No:99290-97-8
Mol.F.: C37H66N2O12
Mol.Wt.: 730.9
Inv. Status: Out of Stock

Erythromycin EP Impurity M

Picture of Erythromycin EP Impurity M
CAT No: SZ-E006018
CAS No: 616234-56-1
Mol.F. : C37H67NO13
Mol.Wt. : 733.9
Inv. Status: Custom Synthesis
SZ-E006018
CAS No:616234-56-1
Mol.F.: C37H67NO13
Mol.Wt.: 733.9
Inv. Status: Custom Synthesis

Erythromycin Ethyl Succinate

Picture of Erythromycin Ethyl Succinate
CAT No: SZ-E006019
CAS No: 1264-62-6
Mol.F. : C43H75NO16
Mol.Wt. : 862.1
Inv. Status: In Stock
SZ-E006019
CAS No:1264-62-6
Mol.F.: C43H75NO16
Mol.Wt.: 862.1
Inv. Status: In Stock

Erythromycin Phosphate

Picture of Erythromycin Phosphate
CAT No: SZ-E006020
CAS No: 4501-00-2
Mol.F. : C37H67NO13 : H3O4P
Mol.Wt. : 733.9 : 98.0
Inv. Status: Custom Synthesis
Rel. CAS No : 114-07-8 (free base) ; 7184-72-7 (Sulfate salt) ; 14271-02-4 (HCl salt)
SZ-E006020
CAS No:4501-00-2
Mol.F.: C37H67NO13 : H3O4P
Mol.Wt.: 733.9 : 98.0
Inv. Status: Custom Synthesis
Rel. CAS No : 114-07-8 (free base) ; 7184-72-7 (Sulfate salt) ; 14271-02-4 (HCl salt)

Erythromycin Sulfate

Picture of Erythromycin Sulfate
CAT No: SZ-E006021
CAS No: 7184-72-7
Mol.F. : C37H67NO13 : H2SO4
Mol.Wt. : 733.9 : 981
Inv. Status: Custom Synthesis
Rel. CAS No : 114-07-8 (free base) ; 14271-02-4 (HCl salt)
SZ-E006021
CAS No:7184-72-7
Mol.F.: C37H67NO13 : H2SO4
Mol.Wt.: 733.9 : 981
Inv. Status: Custom Synthesis
Rel. CAS No : 114-07-8 (free base) ; 14271-02-4 (HCl salt)

Erythromycin Impurity 1

Picture of Erythromycin Impurity 1
CAT No: SZ-E006025
CAS No: 119665-62-2
Mol.F. : C49H96N2O14Si2
Mol.Wt. : 993.5
Inv. Status: Custom Synthesis
SZ-E006025
CAS No:119665-62-2
Mol.F.: C49H96N2O14Si2
Mol.Wt.: 993.5
Inv. Status: Custom Synthesis

4-Ethoxy-4-oxobutanoic acid Sodium salt

Picture of 4-Ethoxy-4-oxobutanoic acid Sodium salt
CAT No: SZ-E006026
CAS No: 119665-77-9
Mol.F. : C42H78N2O14
Mol.Wt. : 835.1
Inv. Status: Custom Synthesis
SZ-E006026
CAS No:119665-77-9
Mol.F.: C42H78N2O14
Mol.Wt.: 835.1
Inv. Status: Custom Synthesis

Erythromycin lactobioate A

Picture of Erythromycin lactobioate A
CAT No: SZ-E006027
CAS No: 3847-29-8
Mol.F. : C37H67NO13 : C12H22O12
Mol.Wt. : 733.9 : 358.3
Inv. Status: Custom Synthesis
Rel. CAS No : 114-07-8 (free base)
SZ-E006027
CAS No:3847-29-8
Mol.F.: C37H67NO13 : C12H22O12
Mol.Wt.: 733.9 : 358.3
Inv. Status: Custom Synthesis
Rel. CAS No : 114-07-8 (free base)

Erythromycin lactobioate B

Picture of Erythromycin lactobioate B
CAT No: SZ-E006028
CAS No: NA
Mol.F. : C37H67NO12 : C12H22O12
Mol.Wt. : 717.9 : 358.3
Inv. Status: Custom Synthesis
Rel. CAS No : 527-75-3 (free base)
SZ-E006028
CAS No:NA
Mol.F.: C37H67NO12 : C12H22O12
Mol.Wt.: 717.9 : 358.3
Inv. Status: Custom Synthesis
Rel. CAS No : 527-75-3 (free base)

Erythromycin C

Picture of Erythromycin C
CAT No: SZ-E006029
CAS No: 1675-02-1
Mol.F. : C36H65NO13
Mol.Wt. : 719.9
Inv. Status: Custom Synthesis
SZ-E006029
CAS No:1675-02-1
Mol.F.: C36H65NO13
Mol.Wt.: 719.9
Inv. Status: Custom Synthesis

Erythromycin Impurity 3

Picture of Erythromycin Impurity 3
CAT No: SZ-E006030
CAS No: NA
Mol.F. : C39H74N2O12
Mol.Wt. : 763.0
Inv. Status: Custom Synthesis
SZ-E006030
CAS No:NA
Mol.F.: C39H74N2O12
Mol.Wt.: 763.0
Inv. Status: Custom Synthesis

Erythromycin Ethyl Fumarate

Picture of Erythromycin Ethyl Fumarate
CAT No: SZ-E006031
CAS No: 122293-08-7
Mol.F. : C43H73NO16
Mol.Wt. : 860.0
Inv. Status: Custom Synthesis
SZ-E006031
CAS No:122293-08-7
Mol.F.: C43H73NO16
Mol.Wt.: 860.0
Inv. Status: Custom Synthesis

Erythromycin Phthalyl Ester

Picture of Erythromycin Phthalyl Ester
CAT No: SZ-E006033
CAS No: 121057-86-1
Mol.F. : C45H71NO16
Mol.Wt. : 882.1
Inv. Status: Custom Synthesis
SZ-E006033
CAS No:121057-86-1
Mol.F.: C45H71NO16
Mol.Wt.: 882.1
Inv. Status: Custom Synthesis

Erythromycin N-Oxide Impurity

Picture of Erythromycin N-Oxide Impurity
CAT No: SZ-E006034
CAS No: NA
Mol.F. : C37H65NO15
Mol.Wt. : 763.9
Inv. Status: Custom Synthesis
SZ-E006034
CAS No:NA
Mol.F.: C37H65NO15
Mol.Wt.: 763.9
Inv. Status: Custom Synthesis

Erythromycin Phthalate Impurity

Picture of Erythromycin Phthalate Impurity
CAT No: SZ-E006035
CAS No: NA
Mol.F. : C45H71NO16
Mol.Wt. : 882.1
Inv. Status: Custom Synthesis
SZ-E006035
CAS No:NA
Mol.F.: C45H71NO16
Mol.Wt.: 882.1
Inv. Status: Custom Synthesis

Erythromycin Estolate

Picture of Erythromycin Estolate
CAT No: SZ-E006036
CAS No: 3521-62-8
Mol.F. : C40H71NO14 : C12H26O4S
Mol.Wt. : 790.0 : 266.4
Inv. Status: Custom Synthesis
SZ-E006036
CAS No:3521-62-8
Mol.F.: C40H71NO14 : C12H26O4S
Mol.Wt.: 790.0 : 266.4
Inv. Status: Custom Synthesis

(9Z)-Erythromycin A Oxime

Picture of (9Z)-Erythromycin A Oxime
CAT No: SZ-E006037
CAS No: 134931-01-4
Mol.F. : C37H68N2O13
Mol.Wt. : 749.0
Inv. Status: Custom Synthesis
SZ-E006037
CAS No:134931-01-4
Mol.F.: C37H68N2O13
Mol.Wt.: 749.0
Inv. Status: Custom Synthesis

Erythromycin A 6,9-iminoether

Picture of Erythromycin A 6,9-iminoether
CAT No: SZ-E006038
CAS No: NA
Mol.F. : C37H66N2O12
Mol.Wt. : 730.9
Inv. Status: Custom Synthesis
SZ-E006038
CAS No:NA
Mol.F.: C37H66N2O12
Mol.Wt.: 730.9
Inv. Status: Custom Synthesis

8a erythromycin A 6,9-iminoether

Picture of 8a erythromycin A 6,9-iminoether
CAT No: SZ-E006039
CAS No: NA
Mol.F. : C37H66N2O12
Mol.Wt. : 730.9
Inv. Status: Custom Synthesis
SZ-E006039
CAS No:NA
Mol.F.: C37H66N2O12
Mol.Wt.: 730.9
Inv. Status: Custom Synthesis

8a erythromycin B 6,9-iminoether

Picture of 8a erythromycin B 6,9-iminoether
CAT No: SZ-E006040
CAS No: NA
Mol.F. : C37H66N2O11
Mol.Wt. : 714.9
Inv. Status: Custom Synthesis
SZ-E006040
CAS No:NA
Mol.F.: C37H66N2O11
Mol.Wt.: 714.9
Inv. Status: Custom Synthesis

Erythromycin B Oxime

Picture of Erythromycin B Oxime
CAT No: SZ-E006041
CAS No: 53274-43-4
Mol.F. : C37H68N2O12
Mol.Wt. : 733.0
Inv. Status: Custom Synthesis
SZ-E006041
CAS No:53274-43-4
Mol.F.: C37H68N2O12
Mol.Wt.: 733.0
Inv. Status: Custom Synthesis

N-Desmethyl Erythromycin Ethylsuccinate

Picture of N-Desmethyl Erythromycin Ethylsuccinate
CAT No: SZ-E006043
CAS No: NA
Mol.F. : C42H73NO16
Mol.Wt. : 848.0
Inv. Status: Custom Synthesis
SZ-E006043
CAS No:NA
Mol.F.: C42H73NO16
Mol.Wt.: 848.0
Inv. Status: Custom Synthesis

Erythromycin Stearate

Picture of Erythromycin Stearate
CAT No: SZ-E006044
CAS No: 643-22-1
Mol.F. : C37H67NO13 : C18H36O2
Mol.Wt. : 733.9 : 284.5
Inv. Status: Custom Synthesis
Rel. CAS No : 114-07-8 (free base) ; 4501-00-2 (phosphate salt) ; 7184-72-7 (sulfate salt)
SZ-E006044
CAS No:643-22-1
Mol.F.: C37H67NO13 : C18H36O2
Mol.Wt.: 733.9 : 284.5
Inv. Status: Custom Synthesis
Rel. CAS No : 114-07-8 (free base) ; 4501-00-2 (phosphate salt) ; 7184-72-7 (sulfate salt)

N,N-Didemethyl Erythromycin

Picture of N,N-Didemethyl Erythromycin
CAT No: SZ-E006045
CAS No: 37152-22-0
Mol.F. : C35H63NO13
Mol.Wt. : 705.9
Inv. Status: Custom Synthesis
SZ-E006045
CAS No:37152-22-0
Mol.F.: C35H63NO13
Mol.Wt.: 705.9
Inv. Status: Custom Synthesis

13-Desethyl, 13-Propyl-Erythromycin A

Picture of 13-Desethyl, 13-Propyl-Erythromycin A
CAT No: SZ-E006046
CAS No: 288584-78-1
Mol.F. : C38H69NO13
Mol.Wt. : 748.0
Inv. Status: Custom Synthesis
SZ-E006046
CAS No:288584-78-1
Mol.F.: C38H69NO13
Mol.Wt.: 748.0
Inv. Status: Custom Synthesis

13-Deethyl-13-methylerythromycin

Picture of 13-Deethyl-13-methylerythromycin
CAT No: SZ-E006047
CAS No: 229318-98-3
Mol.F. : C36H65NO13
Mol.Wt. : 719.9
Inv. Status: Custom Synthesis
SZ-E006047
CAS No:229318-98-3
Mol.F.: C36H65NO13
Mol.Wt.: 719.9
Inv. Status: Custom Synthesis

11-Dehydroxy Erythromycin A

Picture of 11-Dehydroxy Erythromycin A
CAT No: SZ-E006048
CAS No: 40554-78-7
Mol.F. : C37H65NO12
Mol.Wt. : 715.9
Inv. Status: Custom Synthesis
SZ-E006048
CAS No:40554-78-7
Mol.F.: C37H65NO12
Mol.Wt.: 715.9
Inv. Status: Custom Synthesis

Erythromycin Impurity 2

Picture of Erythromycin Impurity 2
CAT No: SZ-E006049
CAS No: 200802-92-2
Mol.F. : C38H69NO13
Mol.Wt. : 748.0
Inv. Status: Custom Synthesis
SZ-E006049
CAS No:200802-92-2
Mol.F.: C38H69NO13
Mol.Wt.: 748.0
Inv. Status: Custom Synthesis

Stable Isotopes And Metabolites

Erythromycin D3

Picture of Erythromycin D3
CAT No: SZ-E006D01
CAS No: 959119-26-7
Mol.F. : C37H64D3NO13
Mol.Wt. : 737.0
Inv. Status: Custom Synthesis
SZ-E006D01
CAS No:959119-26-7
Mol.F.: C37H64D3NO13
Mol.Wt.: 737.0
Inv. Status: Custom Synthesis

Erythromycin D6

Picture of Erythromycin D6
CAT No: SZ-E006D02
CAS No: 959119-25-6
Mol.F. : C37H61D6NO13
Mol.Wt. : 740.0
Inv. Status: Custom Synthesis
SZ-E006D02
CAS No:959119-25-6
Mol.F.: C37H61D6NO13
Mol.Wt.: 740.0
Inv. Status: Custom Synthesis

N-Demethyl Erythromycin A D3

Picture of N-Demethyl Erythromycin A D3
CAT No: SZ-E006D03
CAS No: NA
Mol.F. : C36H62D3NO13
Mol.Wt. : 722.9
Inv. Status: Custom Synthesis
Rel. CAS No : 992-62-1 (Unlabeled)
SZ-E006D03
CAS No:NA
Mol.F.: C36H62D3NO13
Mol.Wt.: 722.9
Inv. Status: Custom Synthesis
Rel. CAS No : 992-62-1 (Unlabeled)

Erythromycin Ethyl Succinate-D6

Picture of Erythromycin Ethyl Succinate-D6
CAT No: SZ-E006D04
CAS No: NA
Mol.F. : C43H69D6NO16
Mol.Wt. : 868.1
Inv. Status: Custom Synthesis
Rel. CAS No : 1264-62-6 (Unlabelled)
SZ-E006D04
CAS No:NA
Mol.F.: C43H69D6NO16
Mol.Wt.: 868.1
Inv. Status: Custom Synthesis
Rel. CAS No : 1264-62-6 (Unlabelled)

Erythromycin 13C,D3

Picture of Erythromycin 13C,D3
CAT No: SZ-E006D05
CAS No: 2378755-50-9
Mol.F. : C3613CH64D3NO13
Mol.Wt. : 737.9
Inv. Status: Custom Synthesis
SZ-E006D05
CAS No:2378755-50-9
Mol.F.: C3613CH64D3NO13
Mol.Wt.: 737.9
Inv. Status: Custom Synthesis

Possible Nitroso Standards

N-Nitroso Erythromycin EP Impurity B

Picture of N-Nitroso Erythromycin EP Impurity B
CAT No: SZ-E006032
CAS No: NA
Mol.F. : C36H64N2O14
Mol.Wt. : 748.9
Inv. Status: Out of Stock, Custom Synthesis
SZ-E006032
CAS No:NA
Mol.F.: C36H64N2O14
Mol.Wt.: 748.9
Inv. Status: Out of Stock, Custom Synthesis

N-Nitroso-Desmethyl Erythromycin Ethyl Succinate

Picture of N-Nitroso-Desmethyl Erythromycin Ethyl Succinate
CAT No: SZ-E006042
CAS No: NA
Mol.F. : C42H72N2O17
Mol.Wt. : 877.0
Inv. Status: Out of Stock, Custom Synthesis
SZ-E006042
CAS No:NA
Mol.F.: C42H72N2O17
Mol.Wt.: 877.0
Inv. Status: Out of Stock, Custom Synthesis