Cations Std. Level 5 Back Catalog number: 59910 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2149.6-K-IO 2,3,4,6-Tetrachlorophenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 58-90-2 Price on request 52144 EPA 1638Mix A Price on request 97344 2,4-Dimethylaniline Price on request