PRODUCT NAME: Clarithromycin EP Impurity F
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	CLR-005
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	128940-83-0
Mol. Formula	C₃₉H₇₁NO₁₃
Molecular Wt	761.98
IUPAC	(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-12-hydroxy-4-[(2R,4R,5S,6S)-5-hydroxy-
Synonyms	12-O-Methyl Clarithromycin; 6,12-Di-O-methylerythromycin; (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-6-(((2S,3R,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-12-hydroxy-4-(((2R,4R,5S,6R)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-7,13-dimethoxy-3,5,7,9,11,13-hexamethyloxacyclotetradecane-2,10-dione; 6,12-Di-O-methylerythromycin A (USP)
Long Term Storage Condition	-20°C
Handling instruction	Sample COA

Test	Results
Appearance	White to Light 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	Chloroform (Slightly), Dichloromethane (Slightly), Methanol (Slightly)
Purity	NLT 98 % By HPLC
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