PRODUCT NAME: Atorvastatin Impurity C
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	ATV-028
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	693793-53-2
Alternate CAS Number	Free Acid: 693794-20-6
Mol. Formula	C₆₆H₆₈CaF₄N₄O₁₀
Molecular Wt	1191.3
Long Term Storage Condition	Store at 2-8 °C	Handling instruction	Sample COA
IUPAC	(3R,5R)-7-[2,3-bis(4-fluorophenyl)-4-(phenylcarbamoyl)-5-propan-2-ylpyrrol-1-yl]-3,5-dihydroxyheptanoic acid
Chemical Name	Atorvastatin Impurity C
Synonyms	(βR,δR)-2,3-Βis(4-fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic Αcid Calcium Salt; USP Atorvastatin Related Compound C; Atorvastatin EP Impurity C; Difluoro Atorvastatin Calcium Salt; Atorvastatin Related Compound C

Test	Results
Appearance	White Solid
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	98.77% by HPLC
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility	DMSO (Slightly, Heated, Sonicated), Methanol (Slightly)
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