PRODUCT NAME: Acetazolamide EP Impurity E
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	ACZ-006
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	827026-60-8
Alternate CAS Number	2469006-67-3(Potassium Salt)
Mol. Formula	C4H5N3O4S2
Molecular Wt	223.23 g/mol
IUPAC	5-Acetamido-1,3,4-thiadiazole-2-sulfonic acid
Synonyms	5-(Acetylamino)-1,3,4-thiadiazole-2-sulfonic Acid; 2-(Acetylamino)-5-sulfo-1,3,4-thiadiazole; 4-Acetylamino-cyclopenta-1,3-dienesulfonic acid; Acetazolamide acid analog; 5-Acetamido-1,3,4-thiadiazole-2-sulfonic acid; Acetazolamide Related Compound E (USP)
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	White to pale yellow 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