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Dirithromycin Related Compounds & Impurities

Dirithromycin is a macrolide antibiotic prodrug converted to erythromyclamine, used for upper and lower respiratory tract infections.

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 Dirithromycin reference standards, pharmacopeial and non-pharmacopeial Dirithromycin 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 Dirithromycin-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.

Working Standards

Dirithromycin

CAT. No.D1970000 CAS No.62013-04-1 Mol. F.C42H78N2O14 Mol. W.835.07 g/mol Stock Status Under Synthesis
COA MSDS

Impurity Standards

Dirithromycin impurity A

CAT. No.D1300001 CAS No.26116-56-3 Mol. F.C37H70N2O12 Mol. W.734.96 g/mol Stock Status Instock
COA MSDS

Dirithromycin impurity D

CAT. No.D1300004 CAS No.910914-82-8 Mol. F.C41H76N2O14 Mol. W.821.05 g/mol Stock Status Limited Stock
COA MSDS

Product structure

Sample structure

Catalogue no.: — CAS no.: — Formula: — Mol. weight: —

Illustrative sample structure
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