PRODUCT NAME: Amlodipine Impurity 20
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	AML-032
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	70677-78-0
Mol. Formula	C17H19NO4
Molecular Wt	301.3 g/mol
Long Term Storage Condition	2-8°C Refrigerator	Handling instruction	Sample COA
IUPAC	Dimethyl 2,6-dimethyl-4-phenyl-1,4-dihydropyridine-3,5-dicarboxylate
Chemical Name	Amlodipine Impurity 20
Synonyms	1,4-Dihydro-2,6-dimethyl-4-phenyl-3,5-pyridinedicarboxylic acid 3,5-dimethyl ester

Test	Results
Appearance	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