p-Xylene Back Catalog number: 31531 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3147.21-K-IO Heneicosanoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2363-71-5 Price on request 93460 525.5 Utah Standard Price on request 679837 Tributyl phosphate, 100 µg/ml, Methanol, 5ml Price on request