PRODUCT NAME: Lercanidipine EP Impurity B
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	LEC-006
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	39562-70-4
Mol. Formula	C₁₈H₂₀N₂O₆
Molecular Wt	360.36
IUPAC	5-O-ethyl 3-O-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
Synonyms	1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic Acid Ethyl Methyl Ester
Long Term Storage Condition	Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	Pale Yellow to Light Green 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	DMSO (Slightly), Methanol (Slightly)
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