Internal Standard Back Catalog number: 95665 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0014.16-100-T 1,6-Dinitropyrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 42397-64-8 Price on request 682269 Chlorphenesin, 250mg Price on request 3966.12-K-IO Triisobutylphosphate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 126-71-6 Price on request