CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 23016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1525.20-100-T Benzo[e]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 205440-82-0 Price on request 0362.22-K-IO 3-n-Octadecylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104934-54-5 Price on request 81520 Dinoseb Price on request