CERTIFICATE OF ANALYSIS

PRODUCT NAME: Losartan EP Impurity E
Date of Mfg: Sample COA RETEST DATE: Sample COA
Catalogue Number LOS-007
Item/Batch Number Sample COA
Quantity Sample COA
CAS Number 120568-11-8
Mol. Formula C₁₄H₁₂N₄
Molecular Wt 236.27
IUPAC 5-[2-(4-methylphenyl)phenyl]-2H-tetrazole
Synonyms 5-(4'-Methyl[1,1'-biphenyl]-2-yl)-2H-tetrazole; 2-(Tetrazol-5-yl)-4'-methyl-1,1'-biphenyl;Losartan Impurity E; Irbesartan Methyl Impurity; Irbesartan EP Impurity E
Long Term Storage Condition Store at 2-8 °C
Handling instruction Sample COA
Test Results
Appearance Off-White to Pale Yellow 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), Methanol (Slightly)
Purity NLT 98%
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
This is Sample COA