Method 504.1MDL Mix Back Catalog number: 94020 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70207 4,4’-Methoxychlor Price on request 2128.12-K-IO Arochlor 1254, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11097-69-1 Price on request 673135 2,4-Dichlorophenol, 250mg Price on request