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Clarithromycin Related Compounds & Impurities

Clarithromycin is a semi-synthetic macrolide antibiotic that inhibits bacterial 50S ribosomal protein synthesis, with enhanced Gram-positive and atypical organism coverage, a cornerstone component of H. pylori eradication regimens.

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

Metabolites

Impurity Standards

14(S)-Hydroxy Clarithromycin

CAT. No.C460033 CAS No.116836-40-9 Mol. F.C38H69NO14 Mol. W.763.95 g/mol Stock Status Custom Synthesis
COA MSDS

Clarithromycin 9-Oxime

CAT. No.C460001A CAS No.103450-87-9 Mol. F.C38H70N2O13 Mol. W.762.97 g/mol Stock Status Instock
COA MSDS

Clarithromycin EP Impurity A

CAT. No.C460018 CAS No.124412-58-4 Mol. F.C38H69NO14 Mol. W.763.95 g/mol Stock Status Under Synthesis
COA MSDS

Clarithromycin EP Impurity B

CAT. No.C460019 CAS No.299409-85-1 Mol. F.C37H67NO13 Mol. W.733.93 g/mol Stock Status Under Synthesis
COA MSDS

Clarithromycin EP Impurity F

CAT. No.C460020 CAS No.128940-83-0 Mol. F.C39H71NO13 Mol. W.761.98 g/mol Stock Status Limited Stock
COA MSDS

Clarithromycin EP Impurity J

CAT. No.C460026 CAS No.13127-18-9 Mol. F.C37H68N2O13 Mol. W.748.94 g/mol Stock Status Custom Synthesis
COA MSDS

Clarithromycin EP Impurity P

CAT. No.C460021 CAS No.123967-58-8 Mol. F.C39H71NO13 Mol. W.761.98 g/mol Stock Status Under Synthesis
COA MSDS

Clarithromycin EP Impurity R

CAT. No.C460027 CAS No.992-62-1 Mol. F.C36H65NO13 Mol. W.719.90 g/mol Stock Status Custom Synthesis
COA MSDS

Working Standards

Clarithromycin

CAT. No.C460000 CAS No.81103-11-9 Mol. F.C38H69NO13 Mol. W.747.95 g/mol Stock Status Instock
COA MSDS

Isotope Labelled Compounds

Clarithromycin D3

CAT. No.C460029 CAS No.81103-11-9 (Unlabelled) Mol. F.C38H66D3NO13 Mol. W.750.97 g/mol Stock Status Custom Synthesis
COA MSDS

Product structure

Sample structure

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

Illustrative sample structure
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