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Oseltamivir Impurity 57 is chemically Isopropyl (1S,5R,6S)-5-(pentan-3-yloxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylate.
Oseltamivir Impurity 57 is supplied with detailed characterization data compliant with regulatory guideline. Oseltamivir Impurity 57 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 Oseltamivir.

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.

Cefprozil Delta-3 Isomer is chemically (6R,7R)-7-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-((Z)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid.
Cefprozil Delta-3 Isomer is supplied with detailed characterization data compliant with regulatory guideline. Cefprozil Delta-3 Isomer 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 Cefprozil Monohydrate.

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.

Ramelteon Impurity 8 is chemically (R)-2-(1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl)acetonitrile.
Ramelteon Impurity 8 is supplied with detailed characterization data compliant with regulatory guideline. Ramelteon 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 Ramelteon.

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.