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

Catalogue Number	CLR-006
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	123967-58-8
Mol. Formula	C39H71NO13
Molecular Wt	761.98
IUPAC	4',6-Di-O-methylerythromycin A
Synonyms	(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-(((2R,4R,5S,6S)-4,5-Dimethoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-12,13-dihydroxy-7-methoxy-3,5,7,9,11,13-hexamethyloxacyclotetradecane-2,10-dione; 4'',6-Di-O-methylerythromycin; Oxacyclotetradecane, Erythromycin deriv.; 4'-O-Methylclarithromycin; USP Clarithromycin impurity P; 4',6-Di-O-methylerythromycin A (USP)
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	White 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), Methanol (Slightly)
Purity	NLT 95% 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