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

Catalogue Number	ROS-008
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	N/A
Alternate CAS Number	1422954-12-8
Mol. Formula	C22H25FN3O5S . 1/2 Ca
Molecular Wt	482.55
Long Term Storage Condition	keep it in Cool and dark place	Handling instruction	Sample COA
Chemical Name	Rosuvastatin Impurity K
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

Test	Results
Appearance	Off Yellow Solid
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	NLT 98%
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility	Soluble in DMSO, Methanol
QC Release Date	Sample COA
Attachments	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption