Petroleum Marker Standard Back Catalog number: 95589 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9097.9-100-IO (E)-Cinnamic aldehyde Price on request 2843.7-50-ME 1H,1H-Perfluoroheptan-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 375-82-6 Price on request 2331.11-K-HX (2-Methylbutyl)benzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 3968-85-2 Price on request