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

Catalogue Number	RAB-015
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	117977-21-6
Mol. Formula	C₁₈H₂₁N₃O₂S
Molecular Wt	343.44
IUPAC	2-[[4-(3-methoxypropoxy)-3-methylpyridin-2-yl]methylsulfanyl]-1H-benzimidazole
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)
Long Term Storage Condition	2-8°C Refrigerator
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), Methanol (Slightly)
Purity	98 % 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