4,4’-DDD Back Catalog number: 79017 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678338 Crotoxyphos, 100 µg/ml, Isooctane, 1ml Price on request 9031.6-K-IO 1,2,4,5-Tetrachlorobenzene-d2, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 1198-57-8 Price on request 57415 Phosphorus (P) Price on request