PRODUCT NAME: N-Nitroso Olopatadine N-Desmethyl Impurity
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	OLP-001
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	NA
Mol. Formula	C20H20N2O4
Molecular Wt	352.39
Long Term Storage Condition	-20°C Freezer Long term storage	Handling instruction	Sample COA
IUPAC	2-[(11Z)-11-[3-[methyl(nitroso)amino]propylidene]-6H-benzo[c][1]benzoxepin-2-yl]acetic acid
Chemical Name	N-Nitroso Olopatadine N-Desmethyl Impurity
Synonyms	(Z)-2-(11-(3-(Methyl(nitroso)amino)propylidene)-6,11-dihydrodibenzo[b,e]oxepin-2-yl)acetic Acid

Test	Results
Appearance	Low melting Solid
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	95%+
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility	Soluble In DMSO, Methanol
QC Release Date	Sample COA
Attachments	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption