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

Catalogue Number	OXY-002
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	14943-53-4
Alternate CAS Number	95133-28-1-HCl
Mol. Formula	C₂₂H₂₅NO₃
Molecular Wt	351.44
Synonyms	4-(Diethylamino)-2-butyn-1-ol Benzilate (Ester); Benzilic Acid 4-(Diethylamino)-2-butynyl Ester; Oxybutynin EP Impurity B;
Long Term Storage Condition	Refrigerator, under 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), Ethyl Acetate (Slightly)
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