PRODUCT NAME: Amlodipine Impurity 54
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	AML-088
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	40405-90-1
Mol. Formula	C28H20N2O8
Molecular Wt	512.5 g/mol
Long Term Storage Condition	Cool, dry, and well-ventilated place	Handling instruction	Sample COA
IUPAC	Bis(2-(1,3-dioxoisoindolin-2-yl)ethyl) phthalate
Chemical Name	Amlodipine Impurity 54
Synonyms	1,2-Benzenedicarboxylic acid, 1,2-bis[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethyl] ester; 1,2-Bis[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethyl] 1,2-benzenedicarboxylate

Test	Results
Appearance	white to off-white crystalline powder
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	NLT 98%
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility
QC Release Date	Sample COA
Attachments	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption