CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 23016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 31511 o-Xylene Price on request N-12225-1G Isoamyl alcohol, 1g Price on request 0241.24-10MG Dibenzo[a,i]pyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 189-55-9 Price on request