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

Catalogue Number	AMO-013
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	1356020-01-3
Alternate CAS Number	57414-05-8 (No Stereochemistry)
Mol. Formula	C15H21N3O4S
Molecular Wt	339.4 g/mol
IUPAC	(2RS,4S)-2-[[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]methyl]-5,5-dimethylthiazolidine-4-carboxylic acid
Synonyms	Amoxicillin Sodium - Impurity E (EP/BP); (4S)-2-[[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]methyl]-5,5-dimethyl-4-thiazolidinecarboxylic Acid; (2RS,4S)-2-[[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]methyl]-5,5-dimethylthiazolidine-4-carboxylic Acid; 4-Thiazolidinecarboxylic acid, 2-[[[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]methyl]-5,5-dimethyl-, (4S)-; Amoxicillin penilloic derivative; (4S)-2-{[(R)-2-Amino-2-(4-hydroxyphenyl)acetamido]methyl}-5,5-dimethylthiazolidine-4-carboxylic Acid; Amoxicillin Related Compound E (USP)
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	Yellowish 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