PRODUCT NAME: O-Desmethyl Brinzolamide
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	BRM-003
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	186377-56-0
Mol. Formula	C11H19N3O5S3
Molecular Wt	Stable under recommended storage conditions.
IUPAC	(4R)-4-(ethylamino)-2-(3-hydroxypropyl)-1,1-dioxo-3,4-dihydrothieno[3,2-e]thiazine-6-sulfonamide
Synonyms	(R)-4-(Ethylamino)-3,4-dihydro-2-(3-hydroxypropyl)-2H-thieno[3,2-e]-1,2-thiazine-6-sulfonamide 1,1-Dioxide; Brinzolamide O-Desmethyl Impurity
Long Term Storage Condition	Store in cool & dry place
Handling instruction	Sample COA

Test	Results
Appearance	Off-White to Pale Yellow 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	DMSO (Slightly), Methanol (Slightly)
Purity
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