(S)-(+)-4-Phenyl-2-oxazolidinone [CAS No. : 99395-88-7]

CAS No. : 99395-88-7
Mol F. : C9H9NO2
Mol W. : 163.18


(S)-4-Phenyloxazolidin-2-one) product with CAS: 99395-88-7 is also known as (+)-4-Phenyl-2-oxazolidinone.

(S)-4-Phenyl-2-oxazolidinone is an intermediate for the synthesis and development for cholesterol absorption inhibitor AZD4121.



This product can be used as a working standard or secondary reference standard. It is used in Ezetimibe impurity profiling as per limits and threshold values specified by respective drug legislation, FDA, and pharmacopoeial guidelines. Moreover, (+)-4-Phenyl-2-oxazolidinone is also used in the process of Abbreviated New Drug Application (ANDA) filing to FDA and toxicity study of respective drug formulation.

Chemical Name (S)-4-Phenyl-2-oxazolidinone
Synonyms (+)-4-Phenyl-2-oxazolidinone; (4S)-4-Phenyl-2-oxazolidinone; (S)-(+)-4-Phenyl-2-oxazolidinone; (S)-4-Phenyl-1,3-oxazolidin-2-one; (S)-4-Phenyl-2-oxazolidinone; (S)-POZ
CAS Number 99395-88-7
Molecular Formula C₉H₉NO₂
Appearance White to Off-White Solid
Melting Point 129-131°C
Molecular Weight 163.17
Storage 4°C
Solubility Chloroform (Slightly), Methanol (Slightly)