Sitagliptin S-Isomer

Sitagliptin S-Isomer product with CAS: 823817-58-9 (Phosphate); 823817-55-6 is also known as (S)-3-amino-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one. This product can be used as a working standard or secondary reference standard. Additional internal validation as per respective FDA regulations/guidelines may require. Sitagliptin S-Isomer is generally used for Quality Control (QC), Quality Assurance (QA) during commercial production of Sitagliptin and its related formulations. Moreover, (S)-3-amino-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one is also used in the process of Abbreviated New Drug Application (ANDA) filing to FDA and toxicity study of respective drug formulation.