Benzamide, 4-[(5S)-5-[(acetylamino)methyl]-2-oxo-3-oxazolidinyl]-2-fluoro-N-methyl-is the CAS number of a chemical substance, generally, the nature, use, preparation and safety information of this substance are not known through the CAS number. Please provide more information, such as the name of the chemical, molecular formula, etc., I can provide you with detailed answers.