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

Catalogue Number	FAM-005
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	129083-44-9
Mol. Formula	C10H14N8S4
Molecular Wt	374.5 g/mol
IUPAC	2,2'-[Disulfanediylbis(methylenethiazole-4,2-diyl)]diguanidine
Synonyms	Famotidine disulfide; Famotidine Impurity E
Long Term Storage Condition	2°C to 8°C
Handling instruction	Sample COA

Test	Results
Appearance	Off-White To Pale Beige 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	No Data Available
Purity	NLT 95%
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