COD Calibration Standard Back Catalog number: 50255 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70030 Benzo(a)pyrene Price on request 1511.9-K-IO 2,3-Dihydro-2-methylbenzofuran, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1746-11-8 Price on request 2480.13-K-IO 1,2-Dihydro-3,5,8-trimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 30316-18-8 Price on request