Erythromycin Related Compounds & Impurities

Erythromycin is the founding natural macrolide antibiotic from Saccharopolyspora erythraea, used for respiratory and skin infections and, at sub-antimicrobial doses, as a motilin-receptor prokinetic agent.

Simson Pharma Limited along with its subsidiary offices Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) is a trusted manufacturer and supplier of high-quality pharmaceutical reference standards, offering a comprehensive portfolio of Erythromycin reference standards, pharmacopeial and non-pharmacopeial Erythromycin impurities, related compounds, related substances, metabolites, stable isotope-labelled compounds, deuterium labelled compounds and nitrosamine (N-NO) reference standards.

These materials support pharmaceutical research and development, product development, ANDA and DMF submissions, quality control (QC), analytical method development and validation, stability studies, impurity identification, and genotoxic impurity assessment.

Our Erythromycin-related reference standards are thoroughly characterized using advanced analytical techniques and are supplied with comprehensive Certificates of Analysis (COA) and supporting analytical data from our USFDA certified, ISO 17025 and ISO 17034 accredited Lab, to meet global regulatory expectations. EP and USP traceable reference standards can also be provided upon request, subject to availability. Simson is also a provider of EP and USP traceable standards. To ensure consistent quality and reliability, our reference standards are periodically re-tested according to established quality management procedures.

Pharmaceutical Reference Standards / Impurity Standards

Erythromycin
Erythromycin Estolate
Erythromycin A 6,9-Imino Ether
Erythromycin Stearate
Erythromycin Ethylsuccinate EP Impurity G
Erythromycin EP Impurity H
Erythromycin EP Impurity F
Erythromycin A oxime
Erythromycin B
Erythromycin C
Erythromycin EP Impurity D
Erythromycin EP Impurity B
Erythromycin EP Impurity E
Erythromycin ethyl succinate
N-Demethyl-N-(ethylsuccinyl) Erythromycin
Erythromycin EP Impurity J
Erythromycin thiocyanate
Erythromycin EP Impurity A
Erythromycin EP Impurity C
Pseudoerythromycin A Hemiketal
Erythromycin Impurity E
Erythromycin A 9-methoxime
Erythromycin EP Impurity L
Erythromycin Impurity M
2,4-O-Bis(trimethylsilyl)-6-O-methylerythromycin A 9-[O-(1- methoxy-1-methylethyl) Oxime
2,4-O-Bis(trimethylsilyl)erythromycin A 9-O-(1-Ethoxy-1-methylethyl)oxime
Erythromycin EP Impurity I
Erythromycin Stearate for Impurity S Identification
Erythromycin A 9,11-Imino Ether
Erythromycin For Impurity M Identification
Erythronolide B
Erythromycin EP Impurity K
Erythromycin EP Impurity L
12-Deoxyerythromycin 9-Oxime
Erythromycin ethyl fumarate
N-Nitroso Erythromycin EP Impurity B
Erythromycin Impurity 3
Erythromycin Phthalate Impurity
Clarithromycin Impurity 2
Clarithromycin Corresponding Impurity Of Erythromycin E
Clarithromycin Corresponding Impurity Of Erythromycin B
N-Nitroso-Desmethyl Erythromycin Ethyl Succinate
Erythromycin E N-oxide
N,N-Didemethyl Erythromycin
13-Desethyl,13-Propyl-Erythromycin A
13-Deethyl-13-methylerythromycin
11-Dehydroxy Erythromycin A
Erythromycin EP Impurity I
Erythromycin Nitroso Impurity 1
Erythromycin Impurity G
Erythromycin Impurity 1
Erythromycin Impurity 2
Erythromycin Impurity 4
8a-erythromycin B 6,9-Iminoether
8a-Erythromycin A 9,12-iminoether
Erythromycin Propionate

Metabolites

Flurithromycin

Isotope Labelled Compounds

Erythromycin D6
Erythromycin Ethyl Succinate-D6
Erythromycin Ethylsuccinate-13C-D3
Erythromycin 13C,D3