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

Catalogue Number	DAF-005
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	136081-60-2
Mol. Formula	C₁₁H₁₄O₄S
Molecular Wt	242.29
IUPAC	2-(3-hydroxy-2,3-dihydro-1-benzofuran-5-yl)ethyl methanesulfonate
Synonyms	2,3-Dihydro-5-benzofuranethanol Methanesulfonate
Long Term Storage Condition	Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance
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	DMSO
Purity	NLT 98%
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