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

Catalogue Number	ROS-020
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	1422954-12-8
Mol. Formula	C22H26FN3O5S
Molecular Wt	463.5
Long Term Storage Condition	2-8°C Refrigerator	Handling instruction	Sample COA
Chemical Name	Rosuvastatin EP Impurity K
Synonyms	(2,5S,6E)-7-[4-(4-Fluorophenyl)-2-(N-methylmethanesulfonamido)-6-(propan-2- yl)pyrimidin-5-yl]-5-hydroxyhepta-2,6-dienoic acid

Test	Results
Appearance	White Hygroscopic Solid
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	97.06 % by HPLC
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility	ACN:Water (25:75)
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