PRODUCT NAME: Topiramate N-Methyl Impurity
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	TOP-008
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	97240-80-7
Mol. Formula	C13H23NO8S
Molecular Wt	353.4 g/mol
IUPAC	Methyl-sulfamic Acid 2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b:4',5'-d]pyran-3a-ylmethyl Ester
Synonyms	Methyl-sulfamic Acid 2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b:4',5'-d]pyran-3a-ylmethyl Ester; TopiraMate N-Methyl Impurity; ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran-3a-yl)methyl Methylsulfamate
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	white to off-white crystalline powder
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
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