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

Catalogue Number	OMP-002
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	158812-85-2
Mol. Formula	C₁₇H₁₉N₃O₅S
Molecular Wt	377.41
Long Term Storage Condition	Refrigerator	Handling instruction	Sample COA
Chemical Name	Omeprazole Related Compound I
Synonyms	5-Methoxy-2-[[(4-methoxy-3,5-dimethyl-1-oxido-2-pyridinyl)methyl]sulfonyl]-1H-benzimidazole; Esomeprazole Impurity Impurity I; Omeprazole EP Impurity I;

Test	Results
Appearance	White to Off-White 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	DMSO (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