PRODUCT NAME: Amoxicillin EP Impurity K
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	AMO-020
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	NA
Mol. Formula	C32H40N6O11S2 : 3(Na)
Molecular Wt	748.8 : 3(23.0) g/mol
IUPAC	(4S)-2-(1-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-2-(((1R)-2-((carboxy((4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-1-(4-hydroxyphenyl
Synonyms	Oligomers of penicilloic acids of amoxicillin;Amoxicillin Dimer Open
Long Term Storage Condition	-20°C or lower
Handling instruction	Sample COA

Test	Results
Appearance	White to off-white 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