Cations Std. Level 3 Back Catalog number: 59908 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3237.21-K-IO 12-cis-Heneicosenoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3515-84-2 Price on request 11677.12-100-IO 2,3',5-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 91130 Complete Set of Aroclor Mixes Price on request