4,4’-DDD Back Catalog number: 79017 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2168.12-50-IO 4'-Fluoro-2,2',3,3',4,5,5',6,6'-nonabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 876310-29-1 Price on request 41003 EPA Method 608Mix #3 Price on request 8835.8-K-IO 2,3-Diethylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request