N,N'-Diphenylurea, 250mg Back Catalog number: 674549 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 90768 Ethyl acetate, 20mg/mL in MeOH, 1ml Price on request 93902 Trihalomethane Standard Price on request 8615.9-KIT Chloropropanol Kit (includes 8614.4), , Solvent-, Unit , # of units-, Cas.no. Price on request