Tags: Chemical Compound, Chemical Substance.
MCPB 24-MCPB 4-(4-chloro-o-tolyloxy)butyric acid (IUPAC) or 4-(4-chloro-2-methylphenoxy)butanoic acid (CAS) is a phenoxybutyric herbicide. In the United States it is registered for use on pea crops before flowering for post-emergence control of broadleaf annual and perennial weeds including Canadian thistle buttercup mustard purslane ragweed common lambsquarters pigweed smartweed sowthistle and morning glory.
