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Febuxostat Impurity 42 is chemically 2-(3-Cyano-4-(3-hydroxy-2-methylpropoxy)phenyl)-4-methylthiazole-5-carboxylic acid.
It is also known as Febuxostat 67M-1.
Febuxostat Impurity 42 is supplied with detailed characterization data compliant with regulatory guideline. Febuxostat Impurity 42 can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Febuxostat.

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. ISP Standards products are for analytical purpose only and not for human use.

Febuxostat Bromo Impurity is chemically 2-[3-Bromo-4-(2-methylpropoxy)phenyl]-4-methylthiazole-5-carboxylic acid ;.
It is also known as Febuxostat Bromo Impurity ; .
Febuxostat Bromo Impurity is supplied with detailed characterization data compliant with regulatory guideline. Febuxostat Bromo Impurity can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Febuxostat.

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. ISP Standards products are for analytical purpose only and not for human use.