Iowa BTEX Back Catalog number: 51181 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2204.14-K-IO 9-Nitrophenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 954-46-1 Price on request DF-IS-C200 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 70407 2,4-Dichlorotoluene Price on request