WS Sodium (Na) Back Catalog number: 54149 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 8915.14 6-Methyl-2',3,4,6'-tetrachlorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request L16570000IO Prothoate, 10 ng/µl, 10ml Price on request 50155 Multi-Elements Mix Price on request