2-Butanone, 5ml Back Catalog number: 680149 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 40060 EPA Method 8081A Pesticide Standard Price on request 94877 Method 508 Calibration Standard Price on request 2055.20-100-HX Diphenyl isophthalate, 100µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 744-45-6 Price on request