Ex-Rad Identifiers CAS Number 922139-31-9 N PubChem 23668369 Properties Chemical formula C16H12ClNaO4S Molar mass 358.77 g·mol−1 Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references