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

Catalogue Number	RAB-007
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	924663-38-7
Mol. Formula	C₁₈H₂₁N₃O₄S
Molecular Wt	375.44
IUPAC	2-[[4-(3-methoxypropoxy)-3-methyl-1-oxidopyridin-1-ium-2-yl]methylsulfinyl]-1H-benzimidazole
Synonyms	Rabeprazole N-Oxide; 2-[[[4-(3-Methoxypropoxy)-3-methyl-1-oxido-2-pyridinyl]methyl]sulfinyl]-1H-benzimidazole; 2-[[[1-Oxide-4-(3-methoxypropoxy)-3-methyl-2-pyridinyl]methyl]sulfinyl]-1H-benzimidazole
Long Term Storage Condition	-20°C, Inert atmosphere
Handling instruction	Sample COA

Test	Results
Appearance	White to Off-White Solid
Water content by KF/TGA	Sample COA
% Potency = [100 - (Water content by KF)] X HPLC Purity)] / 100	Sample COA
Identification by HNMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Solubility	Chloroform (Slightly, Heated), DMSO (Slightly, Heated), Methanol (Slightly
Purity	NLT 95% BY HPLC
Analysis Date (Release Date)	Sample COA
Attachments	Sample COA
Other Information	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption