PRODUCT NAME: Esmolol Free Acid Impurity
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	EMS-001
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	81148-15-4
Alternate CAS Number	83356-60-9
Mol. Formula	C15H23NO4
Molecular Wt	281.35
IUPAC	3-[4-[2-hydroxy-3-(propan-2-ylamino)propoxy]phenyl]propanoic acid
Synonyms	3-(4-(2-Hydroxy-3-(isopropylamino)propoxy)phenyl)propanoic acid; Esmolol free acid, 3-(4-(2-Hydroxy-3-(isopropylamino)propoxy)phenyl)propionic acid (USP);
Long Term Storage Condition	Store at 2-8 0C for long term storage
Handling instruction	Sample COA

Test	Results
Appearance	White to Off-White 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 (Very Slightly, Heated), Methanol (Slightly, Heated), Water (Slightly, Soni
Purity	NLT 95.90 % 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