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

Catalogue Number	ATE-001
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	141650-31-9
Mol. Formula	C19H22N2O5
Molecular Wt	358.39
IUPAC	4,4'-[(2-Hydroxy-1,3-propanediyl)bis(oxy)]bis-benzeneacetamide(Atenolol Impurity E)
Synonyms	Atenolol Impurity E; Atenolol Bis Ether,8-Chloro-6,11-dihydro-11-(4-piperidinylidene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine; Aerius; Allex; Azomyr; Clarinex; Descarboethoxyloratadine; Neoclarityn; Opulis; Loratadine Related Compound A
Long Term Storage Condition	Keep container tightly closed in a dry and well-ventilated place
Handling instruction	Sample COA

Test	Results
Appearance	Off-White to Light Brown 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), Ethanol (Slightly, Heated), Methanol (Slightly, Heated, Sonicat
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