4,4’-DDT Back Catalog number: X9056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MDF-12389 1,2,3,8,9-Pentachloro(13C12)dibenzofuran, 1.2mL x 50ug/mL, toluene Price on request 71682 n-Butyl sulfide Price on request 11693.12-100-IO 2,3,3',5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request