delta-HCH (BHC) Back Catalog number: 3321.6-100-CY Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended MBP-111 2,3,3',5,5'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request 1635.20-200-T 1-/3-Nitrobenzo[a]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 70021-99-7/70021-98-6 Price on request 680075 1,4-Dichloro-2-nitrobenzene, 250mg Price on request