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Fidaxomicin Related Compounds & Impurities

Fidaxomicin is a narrow-spectrum macrocyclic antibiotic that inhibits bacterial RNA polymerase, used for Clostridioides difficile infection with reduced recurrence rates.

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

Impurity Standards

Clostomicin A

CAT. No.F580007 CAS No.106008-69-9 Mol. F.C52H74Cl2O18 Mol. W.1058.04 g/mol Stock Status Custom Synthesis
COA MSDS

Di methylated Fidaxomicin

CAT. No.F580015 CAS No.Fidaxomicin Mol. F.C54H78Cl2O18 Mol. W.1086.10 g/mol Stock Status Custom Synthesis
COA MSDS

Fidaxomicin Enantiomer

CAT. No.F580021 CAS No.NA Mol. F.C52H74Cl2O18 Mol. W.1058.04 g/mol Stock Status Custom Synthesis
COA MSDS

Fidaxomicin Impruity 1

CAT. No.F580028 CAS No.NA Mol. F.C39H62O14 Mol. W.754.90 g/mol Stock Status Custom Synthesis
COA MSDS

Fidaxomicin Impruity 2

CAT. No.F580029 CAS No.NA Mol. F.C41H56Cl2O13 Mol. W.827.78 g/mol Stock Status Custom Synthesis
COA MSDS

Fidaxomicin Impruity A

CAT. No.F580005 CAS No.112396-61-9 Mol. F.C51H72Cl2O18 Mol. W.1044.01 g/mol Stock Status Custom Synthesis
COA MSDS

Fidaxomicin Impurity 2

CAT. No.F1040042 CAS No.NA Mol. F.C53H76Cl2O18 Mol. W.1072.07 g/mol Stock Status Custom Synthesis
COA MSDS

Fidaxomicin Impurity 3

CAT. No.F580016 CAS No.NA Mol. F.C52H74Cl2O17 Mol. W.1042.05 g/mol Stock Status Custom Synthesis
COA MSDS

Fidaxomicin Impurity 4

CAT. No.F580018 CAS No.NA Mol. F.C53H76Cl2O18 Mol. W.1072.07 g/mol Stock Status Custom Synthesis
COA MSDS

Fidaxomicin Impurity 5

CAT. No.F580019 CAS No.NA Mol. F.C51H72Cl2O18 Mol. W.1044.02 g/mol Stock Status Custom Synthesis
COA MSDS

Fidaxomicin Impurity 6

CAT. No.F580009 CAS No.NA Mol. F.C52H72Cl2O18 Mol. W.1056.02 g/mol Stock Status Custom Synthesis
COA MSDS

Fidaxomicin Impurity 7

CAT. No.F580011 CAS No.NA Mol. F.C41H54Cl2O12 Mol. W.809.77 g/mol Stock Status Custom Synthesis
COA MSDS

Fidaxomicin Impurity B

CAT. No.F580002 CAS No.NA Mol. F.C53H76Cl2O18 Mol. W.1072.10 g/mol Stock Status Custom Synthesis
COA MSDS

Fidaxomicin Impurity C

CAT. No.F580003 CAS No.NA Mol. F.C51H72Cl2O18 Mol. W.1044.00 g/mol Stock Status Custom Synthesis
COA MSDS

Fidaxomicin Impurity E

CAT. No.F580010 CAS No.NA Mol. F.C41H54Cl2O12 Mol. W.809.77 g/mol Stock Status Custom Synthesis
COA MSDS

Fidaxomicin Impurity2

CAT. No.F580017 CAS No.NA Mol. F.C52H74Cl2O17 Mol. W.1042.00 g/mol Stock Status Custom Synthesis
COA MSDS

Fidaxomicin lmpurity 10

CAT. No.F580025 CAS No.NA Mol. F.C53H76Cl2O18 Mol. W.1072.07 g/mol Stock Status Custom Synthesis
COA MSDS

Fidaxomicin lmpurity 11

CAT. No.F580026 CAS No.NA Mol. F.C41H56Cl2O13 Mol. W.827.78 g/mol Stock Status Custom Synthesis
COA MSDS

Fidaxomicin lmpurity 12

CAT. No.F580027 CAS No.NA Mol. F.C52H74Cl2O17 Mol. W.1042.04 g/mol Stock Status Custom Synthesis
COA MSDS

Fidaxomicin lmpurity 7

CAT. No.F580022 CAS No.NA Mol. F.C51H70Cl2O18 Mol. W.1042.00 g/mol Stock Status Custom Synthesis
COA MSDS

Fidaxomicin lmpurity 8

CAT. No.F580023 CAS No.NA Mol. F.C48H68Cl2O17 Mol. W.987.95 g/mol Stock Status Custom Synthesis
COA MSDS

Fidaxomicin lmpurity 9

CAT. No.F580024 CAS No.NA Mol. F.C55H80Cl2O17 Mol. W.1084.12 g/mol Stock Status Custom Synthesis
COA MSDS

Working Standards

Fidaxomicin

CAT. No.F580000 CAS No.873857-62-6 Mol. F.C52H74Cl2O18 Mol. W.1058.04 g/mol Stock Status Instock
COA MSDS

Product structure

Sample structure

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

Illustrative sample structure
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