PRODUCT NAME: Leflunomide EP Impurity F
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	LFN-005
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	1403564-06-6
Mol. Formula	C12H9F3N2O2
Molecular Wt	270.2 g/mol
IUPAC	5-Methyl-N-[2-(trifluoromethyl)phenyl]isoxazole-4-carboxamide
Synonyms	5-Methyl-N-[2-(trifluoromethyl)phenyl]-4-isoxazolecarboxamide; Leflunomide
Long Term Storage Condition	Refrigerate at +5 °C
Handling instruction	Sample COA

Test	Results
Appearance	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