PRODUCT NAME: Famotidine EP Impurity B
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	FAM-007
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	89268-62-2
Mol. Formula	C16H23N11O2S5
Molecular Wt	561.8 g/mol
IUPAC	3,5-Bis[2-[[[2-[(diaminomethylidene)amino]thiazol-4-yl]methyl]sulfanyl]ethyl]-4H-1,2,4,6-thiatriazine 1,1-dioxide
Synonyms	Famotidine USP Related Compound B
Long Term Storage Condition	2°C to 8°C
Handling instruction	Sample COA

Test	Results
Appearance	Off White 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, Heated)
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