PRODUCT NAME: Leflunomide Impurity 2
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	LFN-006
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	17153-20-7
Mol. Formula	C5H5NO3
Molecular Wt	127.099 g/mol
IUPAC	3-Methylisoxazole-4-carboxylic acid
Synonyms
Long Term Storage Condition	Keep in dark place,Sealed in dry,Room Temperature
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	DMSO (Slightly)
Purity	NLT 97%
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