Chlortoluron. Formula: C 10 H 13 ClN 2 O. Molecular weight: 212.676. IUPAC Standard InChI:InChI=1S/C10H13ClN2O/c1-7-4-5-8 (6-9 (7)11)12-10 (14)13 (2)3/h4-6H,1-3H3, (H,12,14) Copy. IUPAC Standard InChIKey:JXCGFZXSOMJFOA-UHFFFAOYSA-N Copy. CAS Registry Number: 15545-48-9.