Boron, 5000 µg/mL in H2O, 100ml Back Catalog number: 5M7-4-100 Availability: In the manufacturer's stock Price on request - + Recommended 0049.20-100-T 6-Nitrobenzo[a]pyrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 63041-90-7 Price on request C15986933 Perfluoromethane sulfinate sodium, 100mg Price on request D-N-MEFOSA-M N-methyl-d3-perfluoro-1-octanesulfonamide, 50µg/ml in MeOH, 1,2ml Price on request