4,4’-DDD Back Catalog number: 79017 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681217 trans-Deltamethrin, 100 µg/ml, Acetonitrile, 1ml Price on request 9281.22-25MG Tadalafil, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 171596-29-5 Price on request 2326.12-100-IO Arochlor 5460 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11126-42-4 Price on request