Propham Back Catalog number: 31741 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4054-0-10XY Dibenzothiophene in Xylene Units: 5x1mL ampoule, 1x10mL screw cap bottle Chiron No. (Matrix) Concentration Isooctane Xylene White oil 3 cst µgS/g (ppm) Wt.% S-4055-0-IO S-4054-0-XY S Price on request 3045.15-K-IO n-Nonylbenzene-2,3,4,5,6-d5, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 20216-93-7 Price on request X9224 Benzo(a)pyrene Price on request