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

Catalogue Number	ROS-023
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	1007912-86-8
Mol. Formula
Molecular Wt
Long Term Storage Condition	2-8°C in sealed container	Handling instruction	Sample COA
IUPAC	(3RS,5RS,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]pyrimidin-5-yl]-3,5-dihydroxyhept-6-enoic Acid
Chemical Name	Rosuvastatin EP Impurity B
Synonyms	(3RS,5RS,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic Acid; (E)-7-(4-(4-Fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoic Acid;(3RS,5RS,E)-7-[4-(4-Fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl]-3,5-dihydroxyhept-6-enoic Acid; Rosuvastatin Diastereomers (USP)

Test	Results
Appearance	White to off-white crystalline powder
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
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