PRODUCT NAME: Azelastine EP Impurity D
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	AZL-007
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	53242-88-9
Mol. Formula	C15H11ClN2O
Molecular Wt	270.7 g/mol
Long Term Storage Condition	2°C to 8°C	Handling instruction	Sample COA
IUPAC	4-[(4-Chlorophenyl)methyl]phthalazin-1(2H)-one
Chemical Name	Azelastine EP Impurity D
Synonyms	4-(4-chlorobenzyl)phthalazin-1(2H)-one; Azelastine USP Related Compound D

Test	Results
Appearance	White To Off-White
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	NLT 98%
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility	Slightly soluble DMSO
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