STD - CRQL Back Catalog number: 50288 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1856.21-K-IO n-Pentadecylbenzene-d36, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 352431-31-3 Price on request 676591 Terephthalic acid, 250mg Price on request 1363.11-250MG 4-n-Pentylphenol, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 14938-35-3 Price on request