4,4’-DDD Back Catalog number: 70099 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8990.11-25MG 8-Bromo-1-naphthoic acid, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 1729-99-3 Price on request 673771 Cyanazine, 100 µg/ml, Ethyl acetate, 5ml Price on request 92537 Indeno(1,2,3-cd)pyrene Price on request