| Active Ingredient | Category |
| cartap | NER |
| chlofluazuron | BPU |
| chlorbenside | MISC |
| chlordane | CYCLO |
| chlordecone | CYCLO |
| chlordimeform | FORM |
| chlorethoxyphos | OP |
| chlorfenapyr | MISC |
| chlorfenethol | MISC |
| chlorfenson | MISC |
| chlorfensulfide | MISC |
| chlorfenvinphos | OP |
| chlormephos | OP |
| chlorobenzilate | MISC |
| chloromethiuron | THIOUR |
| chloropicrin | FUM |
| chloropropylate | MISC |
| chlorphoxim | OP |
| chlorpyrifos | OP |
| chlorpyrifos-methyl | OP |