2,4-DB methyl ester Back Catalog number: 70931 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MBP-138 2,2',3,4,4',5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request MET-11043D-25MG Alachlor ESA sodium salt, 25mg Price on request 685286 D12-Benzo[a]pyrene, 100 µg/ml, Acetonitrile, 1ml Price on request