4,4’-DDD Back Catalog number: 70099 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2023.14-KIT Ethylderivatives Kit (Ethylalkyl-/ Ethylaryltin Kit), , Solvent-, Unit Kit, # of units-, Cas.no. Price on request 53100 ICP-MS Verification Standard #1 Price on request 92943 EPA Method 526 Phenols Standard Price on request