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Benzathine Benzylpenicillin EP Impurity B is chemically 2-phenylacetic acid.
Benzathine Benzylpenicillin EP Impurity B is supplied with detailed characterization data compliant with regulatory guideline. Benzathine Benzylpenicillin EP Impurity B 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 Penicillin.

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.

Disopyramide EP Impurity C is chemically (2RS)-2-Phenyl-4-[(propan-2-yl)amino]-2-(pyridin-2-yl)butanamide (as per EP).
Disopyramide EP Impurity C is supplied with detailed characterization data compliant with regulatory guideline. Disopyramide EP Impurity C 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 Disopyramide.

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.