Favipiravir Related Compounds & Impurities

Favipiravir is a purine nucleoside analogue RNA-dependent RNA polymerase inhibitor with broad-spectrum antiviral activity, used for influenza and investigated for emerging RNA viruses.

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 Favipiravir reference standards, pharmacopeial and non-pharmacopeial Favipiravir 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 Favipiravir-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

Favipiravir
6-Fluoro-3-hydroxypyrazine-2-carboxylic acid
Favipiravir Impurity 1
Favipiravir Chloro Homolog Impurity
3 Hydroxy 6 methoxypyrazine 2 carborxamide
Favipiravir Impurity 18
Favipiravir Impurity 19
6-Fluoro-pyrazine-2-carbonitrile
Favipiravir Impurity 9
6-chloro-3-hydroxypyrazine-2-carbonitrile
Favipiravir Impurity 2
6-chloro-3-hydroxypyrazine-2-carboxamide
6-ethoxy-3-hydroxypyrazine-2-carboxamide
6-Chloro-3-fluoropyrazine-2-carbonitrile.
Favipiravir Impurity 6
Favipiravir Impurity 17
Favipiravir Impurity 21
6-Chloro-2-methylpyrimidin-4-ol
Favipiravir Impurity E
Favipiravir Impurity B
Favipiravir Impurity 3

Isotope Labelled Compounds

[13C,15N]-Favipiravir
Favipiravir D4