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

Catalogue Number	MTP-002
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	56718-71-9
Mol. Formula	C9H12O2
Molecular Wt	152.19
IUPAC	4-(2-methoxyethyl)phenol
Synonyms	Metoprolol Succinate Impurity B, Metoprolol Tartrate Impurity B
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	White powder to crystal
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	Methanol
Purity	>95% by HPLC
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