Product Name:	Sitagliptin Monohydrate (APIs and Intermediates)
CAS No.:	654671-77-9
Molecular Formula:	C16H20F6N5O6P
Molecular Weight:	523.3241
InChI:	InChI=1/C16H15F6N5O.H3O4P.H2O/c17-10-6-12(19)11(18)4-8(10)3-9(23)5-14(28)26-1-2-27-13(7-26)24-25-15(27)16(20,21)22;1-5(2,3)4;/h4,6,9H,1-3,5,7,23H2;(H3,1,2,3,4);1H2/t9-;;/m1../s1

The Intermediates: 

767340-03-4	(2Z)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-yl]-1-(2,4,5-trifluorophenyl)but-2-en-2-amine
762240-92-6	3-(Trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride
764667-65-4	2Z)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-one
764667-64-3	5-[1-Hydroxy-2-(2,4,5-trifluorophenyl)ethylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione
209995-38-0	2,4,5-Trifluorophenylacetic acid
155830-69-6	(R)-1-[(S)-2-(Diphenylphosphino)ferrocenyl]ethyldi-tert-butylphosphine