4.4'-DDE (13C12), 100µg/ml in n-Nonane, 1,2ml Back Catalog number: S-FC93S-1.2ML Availability: In the manufacturer's stock Price on request - + Recommended 53331 EPA Method 6020 / 6020A - Mix B Price on request 10780.22-100-IO 4-tert-Butylphenyldiphenyl phosphate,100 µg/mL,isooctane,1mL, Price on request 2701.11-250MG Cimetidine hydrochloride, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 70059-30-2 Price on request