1-(3,4-Dichlorophenyl)-3-methylurea Back Catalog number: 73501 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-LCS-A40 Mass-Labelled PCDD/PCDF Solution/Mixture , 1.2ml , nonane Price on request 680149 2-Butanone, 5ml Price on request ACQ-AQ01-030 Ethanol standard in water,0.1g/L,water, 3mL Price on request