CERTIFICATE OF ANALYSIS

PRODUCT NAME: Leflunomide EP Impurity H
Date of Mfg: Sample COA RETEST DATE: Sample COA
Catalogue Number LFN-003
Item/Batch Number Sample COA
Quantity Sample COA
CAS Number 24522-30-3
Mol. Formula C10H7F3N2O
Molecular Wt 228.17 g/mol
IUPAC 2-Cyano-N-[4-(trifluoromethyl)phenyl]acetamide
Synonyms Teriflunomide Impurity B (EP/BP); 2-Cyano-N-[4-(trifluoromethyl)phenyl]acetamide; 2-Cyano-α,α,α-trifluoro-p-acetotoluidide; Teriflunomide Impurity B; Leflunomide; 2-Cyano-acetic acid-(4'-trifluoromethyl)-anilide (USP)
Long Term Storage Condition 2-8°C Hygroscopic, Refrigerator Under inert atmosphere
Handling instruction Sample COA
Test Results
Appearance 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
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