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Bepotastine-d4 Besylate is chemically (S)-4-(4-((4-Chlorophenyl)(pyridin-2-yl)methoxy)piperidin-1-yl)butanoic-2,2,3,3-d4 acid compound with benzenesulfonic acid (1:1).
Bepotastine-d4 Besylate is supplied with detailed characterization data compliant with regulatory guideline. Bepotastine-d4 Besylate 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 Bepotastine.

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.

Hydrocodone EP Impurity B is chemically 4,5α-Epoxy-3-methoxy-17-methylmorphinan-6α-ol (as per EP).
It is also known as Dihydrocodeine (EP).
Hydrocodone EP Impurity B is supplied with detailed characterization data compliant with regulatory guideline. Hydrocodone 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 Hydrocodone.

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.