Sitagliptin Impurity 56

Name	Carbamic acid,[(1R)-3-[5,6-dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-3-oxo-1-[(2,4,5-trifluorophenyl)methyl]propyl]-, 1,1-dimethylethylester
Synonyms	Boc-Sitagliptin Sitagliptin N-Boc N-Boc-Sitagliptin Sitagliptin Impurity 56 Sitagliptin N-Boc IMpurity (R)-tert-Butyl (4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)carbamate tert-Butyl N-[(2R)-4-oxo-4-[3-(trifluoromethyl)-6,8-dihydro-5H-[1,2,4]triazolo[4,3-a]pyrazin-7-yl]-1-(2,4,5-trifluorophenyl)butan-2-yl]carbamate tert-butyl (R)-(4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4] triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan- 2-yl)carbamate Carbamic acid,[(1R)-3-[5,6-dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-3-oxo-1-[(2,4,5-trifluorophenyl)methyl]propyl]-, 1,1-dimethylethylester
CAS	486460-23-5
EINECS	1312995-182-4

Molecular Formula	C21H23F6N5O3
Molar Mass	507.43
Density	1.46±0.1 g/cm3(Predicted)
Melting Point	188-191 °C(Solv: toluene (108-88-3))
Solubility	Chloroform (Slightly, Heated), DMSO (Slightly), Ethyl Acetate (Slightly)
Appearance	Solid
Color	White
pKa	11.60±0.46(Predicted)
Storage Condition	Refrigerator

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