2-Butanone (Methyl ethyl ketone)-DNPH Back Catalog number: 83542 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2046.4-2K-20IO 1,2-Dimethoxyethane, Internal Standard in isooctane, ASTM, 2000µg/mL, Solvent-isooctane, Unit 20mL, # of units-1, Cas.no. 110-71-4 Price on request XA20920000AL Phenanthrene, 100µg/mL in Acetonitrile, 1ml Price on request 8393.6-K-TFX5 Levoglucosan, 1000µg/mL, Solvent-Tetrahydrofuran, Unit 1mL, # of units-5, Cas.no. 498-07-7 Price on request