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

Catalogue Number	ROS-008
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	N/A
Alternate CAS Number	1422954-12-8
Mol. Formula	C22H25FN3O5S . 1/2 Ca
Molecular Wt	482.55
Synonyms	(2E,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]-5-hydroxy-hept-2,6-dienoic acid calcium salt
Long Term Storage Condition	keep it in Cool and dark place
Handling instruction	Sample COA

Test	Results
Appearance	Off Yellow 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	Soluble in DMSO, Methanol
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