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

Catalogue Number	ACZ-007
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	80495-47-2
Mol. Formula	C8H9N7O6S4
Molecular Wt	427.4 g/mol
IUPAC	N-[5-[(5-Acetamido-1,3,4-thiadiazol-2-yl)sulfonyl]sulfamoyl-1,3,4-thiadiazol-2-yl]acetamide
Synonyms	Bis[5-(acetylamino)-1,3,4-thiadiazole-2-sulfonyl]amine; N-(5-(N-((5-acetamido-1,3,4-thiadiazol-2-yl)thio)sulfamoyl)-1,3,4-thiadiazol-2-yl)acetamide (Impurity - E As per EP); N,N'-[Iminobis(sulfonyl-1,3,4-thiadiazole-5,2-diyl)]bisacetamide; Acetazolamide Dimer; N,N′-{5,5′-[(Hydrosulfonylamino)sulfonyl]bis(1,3,4-thiadiazole-5,2-diyl)}diacetamide (USP)
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