PRODUCT NAME: Metoprolol EP Impurity J
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	MTP-011
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	163685-37-8
Mol. Formula	C18H31NO5
Molecular Wt	341.4 g/mol
IUPAC	1-[2-Hydroxy-3-[(1-methylethyl)amino]propoxy]-3-[4-(2-methoxyethyl)phenoxy]propan-2-ol ;
Synonyms
Long Term Storage Condition	2°C to 8°C
Handling instruction	Sample COA

Test	Results
Appearance	Yellow oil or a viscous, pale brown gum
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	Soluble In DMSO, Methanol
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