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

Catalogue Number	RAB-015
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	117977-21-6
Mol. Formula	C₁₈H₂₁N₃O₂S
Molecular Wt	343.44
Long Term Storage Condition	2-8°C Refrigerator	Handling instruction	Sample COA
IUPAC	2-[[4-(3-methoxypropoxy)-3-methylpyridin-2-yl]methylsulfanyl]-1H-benzimidazole
Chemical Name	Rabeprazole EP Impurity B
Synonyms	Rabeprazole Sulfide; Rabeprazole Thioether; Rabeprazole Sodium; Rabeprazole Sulphide IP Impurity; 2-{[4-(3-Methoxypropoxy)-3-methyl-2-pyridyl]methylthio}benzimidazole; Rabeprazole Related Compound E (USP)

Test	Results
Appearance	White to Off-White Solid
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	98 % by HPLC
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility	Chloroform (Slightly), Methanol (Slightly)
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