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

Catalogue Number	NIF-002
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	50428-14-3
Mol. Formula	C17H16N2O5
Molecular Wt	328.32 g/mol
IUPAC	dimethyl 2,6-dimethyl-4-(2-nitrosophenyl)pyridine-3,5-dicarboxylate
Synonyms	Dehydronitroso Nifedipine; 2,6-Dimethyl-4-(2-nitrosophenyl)-3,5-pyridinedicarboxylic Acid 3,5-Dimethyl Ester 2,6-Dimethyl-3,5-dicarbomethoxy-4-(2-nitrosophenyl)pyridine; 4-(2-Nitrosophenyl)-2,6-dimethyl-3,5-dimethoxycarbonylpyridine; Dimethyl 4-(2-nitrosophenyl)-2,6-dimethylpyridine-3,5-dicarboxylate (USP)
Long Term Storage Condition	2-8°C Amber Vial, Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	pale blue to 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
Purity	NLT 99%
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