PRODUCT NAME: (S)-4-Chloro-3-(trimethylsilanyloxy)butyronitrile
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	ROS-022
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	727382-14-1
Mol. Formula	C7H14ClNOSi
Molecular Wt	191.73
Long Term Storage Condition	2-8°C Refrigerator	Handling instruction	Sample COA
IUPAC	(3S)-4-chloro-3-trimethylsilyloxybutanenitrile
Chemical Name	(S)-4-Chloro-3-(trimethylsilanyloxy)butyronitrile
Synonyms	(3S)-4-Chloro-3-[(trimethylsilyl)oxy]butanenitrile; (S)-4-Chloro-3-((trimethylsilyl)oxy)butanenitrile;Rosuvastatin Intermediate 4

Test	Results
Appearance	Light Yellow Liquid
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	NLT 98 % by HPLC
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility	Soluble in water
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