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

Catalogue Number	FDC-005
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	N/A
Mol. Formula	C41H54Cl2O12
Molecular Wt	809.77 g/mol
IUPAC	(2R, 3S, 4S, 5S, 6R)-6-(((1S, 4E, 6E, 9S, 10E, 12R, 13E, 15E, 19R)-12-ethyl-9-hydroxy-10, 14, 16, 19-tetramethyl-3-oxo-2, 18-dioxabicyclo[15.2.1]icosa
Synonyms
Long Term Storage Condition	2°C to 8°C
Handling instruction	Sample COA

Test	Results
Appearance	White To Off-White
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 DMSO
Purity	NLT 97%
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