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

Catalogue Number	AML-029
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	140171-65-9
Alternate CAS Number	400024-12-6(Maleate Salt);NA(Benzenesulfonic Salt)
Mol. Formula	C21H27ClN2O5
Molecular Wt	422.9 g/mol
Long Term Storage Condition	2-8°C Refrigerator	Handling instruction	Sample COA
IUPAC	diethyl (4RS)-2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate
Chemical Name	Amlodipine EP Impurity E
Synonyms	Amlodipine Diethyl Ester; 3,5-Pyridinedicarboxylic acid, 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-, diethyl ester; 3,5-Diethyl 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-3,5-pyridinedicarboxylate; Amlodipine Ethyl Analog; Diethyl 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate (USP)

Test	Results
Appearance	Off White Solid
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