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

Catalogue Number	MTP-010
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	73313-36-7
Alternate CAS Number	343785-33-1(Free base)
Mol. Formula	C9H24Cl2N2O
Molecular Wt	247.21 g / mol 174.28 g/mol (free base)
IUPAC	1,3-Bis[(1-methylethyl) amino] propan-2-ol Dihydrochloride
Synonyms	2-Hydroxy-N,N'-diisopropylpropane-1,3-diaminium Dichloride
Long Term Storage Condition	Storage at 2 to 8°C, Hygroscopic in Nature
Handling instruction	Sample COA

Test	Results
Appearance	Pale Brown to Off White Hygroscopic 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	Soluble in DMSO
Purity	NLT 95.0%
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