2-Butanone Back Catalog number: 79253 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3784.5-K-IO 2-Methoxypyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 3149-28-8 Price on request 54121 Sodium (Na), 1000µg/ml in Water, 100ml Price on request 49021 2-Bromo-1-chloropropane Price on request