PRODUCT NAME: Omeprazole Related Compound A
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	OMP-004
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	88546-55-8
Mol. Formula	C₁₇H₁₉N₃O₄S
Molecular Wt	361.42
Long Term Storage Condition	-20°C Freezer	Handling instruction	Sample COA
Chemical Name	Omeprazole Related Compound A
Synonyms	5-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfonyl]-1H-benzimidazole; USP Omeprazole Related Compound A; Omeprazole Impurity D;Esomeprazole EP Unspecified Impurity D

Test	Results
Appearance	White to Light Brown Solid
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	Chloroform (Slightly), Methanol (Slightly, Heated)
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