PRODUCT NAME: Alogliptin Impurity 16
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	ALP-022
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	2748587-69-9
Mol. Formula	C18H22N4O4
Molecular Wt	358.4 g/mol
IUPAC	(R)-2-((6-(3-Aminopiperidin-1-yl)-3-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)benzoic acid
Synonyms	Alogliptin carboxylic Acid Impurity; Benzoic acid, 2-[[6-[(3R)-3-amino-1-piperidinyl]-3,4-dihydro-3-methyl-2,4-dioxo-1(2H)-pyrimidinyl]methyl]-; 2-[[6-[(3R)-3-Amino-1-piperidinyl]-3,4-dihydro-3-methyl-2,4-dioxo-1(2H)-pyrimidinyl]methyl]benzoic acid
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	white to off-white solid powder
Water content by KF/TGA	Sample COA
% Potency = [100 - (Water content by KF)] X HPLC Purity)] / 100	Sample COA
Identification by HNMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Solubility
Purity	NLT 98%
Analysis Date (Release Date)	Sample COA
Attachments	Sample COA
Other Information	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption