Prulifloxacin Intermediate CAS Number: 154330-68-4 Chemical Name: 3-Quinolinecarboxylicacid, 4-( acetyloxy) -2-( ethylthio) -6, 7-difluoro-, ethyl ester Synonyms: Ethyl4-acetoxy-6, 7-difluoro-2-( ethylthio) quinoline-3-carboxyl ate; Molecular Formula: C16H15F2NO4S Molecular Weight: 355.36 Density: 1.367 g/ cm3 Boiling Point: 442.971 ° C at 760 mmHg Flash Point: 221.701 ° C