4,4'-DDT (ring-13C12), 100ug/ml in n-Nonane, 1,2ml Back Catalog number: S-FC92S-1.2ML Availability: In the manufacturer's stock Price on request - + Recommended 2944.14-100-IO Ethyl viologen-d8 dichloride (rings-d8), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Unlabelled 3688-18-4 Price on request 8748.12-5MG 4-Bromodiphenyl ether, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 101-55-3 Price on request 31029 EPA Method 525 - Perchlorinates Price on request