p-Xylene, 1000µg/ml in MeOH, 1ml Back Catalog number: 70308 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8515.15-K-IO 1-Methyldiamantane-d3, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 53005 Ammonium dihydrogen phosphate Modifier Price on request 10216.10-100-ME n-Propyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219802-67-1 Price on request