4,4’-DDD Back Catalog number: X9054 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59472A ICP-MS Verification Standard #1 Price on request 2208.18-10MG 3-Fluoro-2-hydroxychrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. Price on request 0307.23-10MG 6-Methylanthanthrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 31927-64-7 Price on request