Semaglutide, Tirzepatide and Retatrutide Impurities

The synthesis of GLP-1 impurities is difficult. Now in China domestic market, generally impurities are provided by professional CRO which focus on peptide impurities.
Anyone need to know more, plz download the impurities list below.

GLP-1 impurities.xlsx
You can also contact me
Email: haoran.tse@gmail.com
Tel: +86 18575536586