p-Xylene Back Catalog number: X9221 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11434.20-100-IO Di-o-tolylphenyl phosphate,100 µg/mL,isooctane,1mL, Price on request 72416 Pentanoic acid Price on request 2996.9-K-CY 3,5-Dimethylheptane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 926-82-9 Price on request