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Sofosbuvir Impurity 81 is chemically 1-((2R,3R,4R,5R)-3,4-Dihydroxy-5-(hydroxymethyl)-3-methyltetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione.
Sofosbuvir Impurity 81 is supplied with detailed characterization data compliant with regulatory guideline. Sofosbuvir Impurity 81 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 Sofosbuvir.

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.

Sofosbuvir Impurity 36 is chemically 1-((2S,3S,4R,5R)-3,4-Dihydroxy-5-(hydroxymethyl)-3-methyltetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione.
Sofosbuvir Impurity 36 is supplied with detailed characterization data compliant with regulatory guideline. Sofosbuvir Impurity 36 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 Sofosbuvir.

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.

Fosaprepitant Impurity 12 is chemically (S)-4-Benzyl-2-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)morpholin-3-one.
Fosaprepitant Impurity 12 is supplied with detailed characterization data compliant with regulatory guideline. Fosaprepitant Impurity 12 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 Fosaprepitant.

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.

Mebeverine Impurity 2 is chemically 4-Bromobutyl 3-hydroxy-4-methoxybenzoate.
Mebeverine Impurity 2 is supplied with detailed characterization data compliant with regulatory guideline. Mebeverine Impurity 2 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 Mebeverine.

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.

Fosaprepitant Impurity 8 is chemically 5-(((2R,3S)-3-((S)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-2-(4-fluorophenyl)morpholino)methyl)-1,2-dihydro-3H-1,2,4-triazol-3-one.
Fosaprepitant Impurity 8 is supplied with detailed characterization data compliant with regulatory guideline. Fosaprepitant Impurity 8 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 Fosaprepitant.

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.