1-(3,4-Dichlorophenyl)-3-methylurea, 250mg Back Catalog number: MET-11827C-250MG Availability: In the manufacturer's stock Price on request - + Recommended VHG-NCED-SET2 Nitrogen Set for ASTM D6366: N @ 10, 25, 50, 75, 100 ng/μL in Isooctane, set(2) Price on request 70053 2-Butanone Price on request 60040 Canadian Organophosphorus Pesticides Price on request