PRODUCT NAME: Atenolol EP Impurity I
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	ATE-003
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	1797116-92-7
Mol. Formula	C13H20N2O3
Molecular Wt	252.31
IUPAC	2-[4-[3-(ethylamino)-2-hydroxypropoxy]phenyl]acetamide
Synonyms	C-Desmethyl Atenolol,Atenolol Desmethyl Impurity,2-(4-((2RS)-3-(Ethylamino)-2-hydroxypropoxy)phenyl)acetamide,ATENOLOLEPIMPURITYI
Long Term Storage Condition	Keep container tightly closed in a dry and well-ventilated place
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 (Slightly, Heated), Ethanol (Slightly, Heated, Sonicated), Methanol (Slight
Purity
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