PRODUCT NAME: Amlodipine Impurity 28
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	AML-066
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	111429-90-4
Mol. Formula	C15H15NO6
Molecular Wt	305.3 g/mol
IUPAC	Methyl 4-(2-(1,3-dioxoisoindolin-2-yl)ethoxy)-3-oxobutanoate
Synonyms	Methyl 4-(2-(1,3-dioxoisoindolin-2-yl)ethoxy)-3-oxobutanoate; Acid Methyl Ester, 4-[2-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)ethoxy]-3-oxobutanoic
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	Light Yellow Solid
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