PRODUCT NAME: Amlodipine Impurity 21
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	AML-033
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	79781-21-8
Mol. Formula	C18H20ClNO5
Molecular Wt	365.8 g/mol
IUPAC	3-Ethyl 5-methyl 4-(2-chlorophenyl)-2-(hydroxymethyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate
Synonyms	3-Ethyl 5-methyl 4-(2-chlorophenyl)-2-(hydroxymethyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate
Long Term Storage Condition	-20°C
Handling instruction	Sample COA

Test	Results
Appearance	white to off-white or pale yellow
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