Sulfadimethoxine-d4, 1mg Back Catalog number: S699061 Manufacturer: TORONTO RESEARCH CHEMICALS Availability: 2 weeks Price on request - + Recommended 31004 EPA Method 500 Series Internal Standard Price on request 2862.7-50-ME 7H-Perfluoroheptanal, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 647-44-9 Price on request S-4322-100-EA Perdeuterated Internal Standard PAH-mixture 24 1336,12 Acenaphthylene-d8 [93951-97-4] 1024,18 Chrysene-d12 [1719-03-5] 1531,22 Indeno[1,2,3-cd]pyrene-d12 [-] Concentration.: 100µg/ml in ethyl acetate Price on request