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 9407.15-K-ME Metoprolol-d7 hydrochloride (isopropyl-d7),1000 µg base/mL,MeOH,1mL Price on request 3890.4-100-ME Methional, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-, Cas.no. 3268-49-3 Price on request 3736.12-100-IO 3,4',5-Trichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 38444-88-1 Price on request