PRODUCT NAME: Methimazole Dimer Impurity
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	THA-001
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	61747-29-3
Mol. Formula	C8H10N4S2
Molecular Wt	226.3 g/mol
IUPAC	1,2-Bis(1-methyl-1H-imidazol-2-yl)disulfane
Synonyms	1H-Imidazole, 2,2′-dithiobis[1-methyl; 2,2′-Dithiobis[1-methyl-1H-imidazole]; Bis(1-methylimidazol-2-yl) disulfide;
Long Term Storage Condition	2°C to 8°C
Handling instruction	Sample COA

Test	Results
Appearance	White to off-white Crystalline powder or 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	Soluble in water, Slightly soluble in ether and benzene.
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