WS Organonitrogen Pesticides Back Catalog number: 38129 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0363.8-100MG 2-n-Butylthiophene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1455-20-5 Price on request 97797 PAH Standard Price on request EPA-8290HRCC3 Calibration Verification Solution , 1ml, nonane Price on request