Wisconsin DNR DRO n-Hydrocarbon Standard Back Catalog number: 90322 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53144 EPA 1638Mix A Price on request 0137.12-K-IO 2-n-Octylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 880-36-4 Price on request 679142 N-Phenylurea, 500mg Price on request