CLP Semi-Volatile Internal Standard Back Catalog number: 10019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2685.12-K-IO Hexamethylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 87-85-4 Price on request 680991 Acetaminophen, 100 µg/ml, Acetonitrile, 1ml Price on request 3961.0-10ML Refinery gasoline oxygenate free, neat, Solvent-neat, Unit 10mL, # of units-1, Cas.no. Price on request