PRODUCT NAME: N-Nitroso Desmethyl Azelastine impurity
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	NIO-794
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	N/A
Mol. Formula	C21H21ClN4O2
Molecular Wt	396.87 g/mol
Long Term Storage Condition	2°C to 8°C	Handling instruction	Sample COA
IUPAC	4-(4-Chlorobenzyl)-2-(1-nitrosoazepan-4-yl)phthalazin-1(2H)-one
Chemical Name	N-Nitroso Desmethyl Azelastine impurity
Synonyms

Test	Results
Appearance	White To Off-White
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	NLT 97%
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