Sodium (Na) Back Catalog number: 58111 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11773.12-100-IO 2,2',3,4,4',5,5',6-Octachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 680177 4-Isopropylaniline, 250mg Price on request 2867.12-50-IO 2,3',4,4',5-Pentachlorobiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 446254-80-4 Price on request