Nirmatrelvir Impurity B

Nirmatrelvir Impurity B product with CAS: 2755812-81-6 is related to Nirmatrelvir. It is also known with other names such as (1R,2S,5S)-N-((S)-1-Amino-1-oxo-3-((S)-2-oxopyrrolidin-3-yl)propan-2-yl)-3-((S)-3,3-dimethyl-2-(2,2,2-trifluoroacetamido)butanoyl)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxamide; . Nirmatrelvir Impurity B used for Abbreviated New Drug Application (ANDA) & DMF filing to FDA, toxicity study of respective drug formulation, Quality Control (QC), and analytical studies during commercial production of Nirmatrelvir.