cas 121-87-9 Formula: C6H5ClN2O2 Molecular weight: 172.569 IUPAC Standard InChI: InChI=1S/C6H5ClN2O2/c7-5-3-4(9(10)11)1-2-6(5)8/h1-3H,8H2 CAS Registry Number: 121-87-9 June 15, 2021 By admin 0 0