2,3-Butanedione Back Catalog number: 72508 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1547.15-K-IO n-Pentadecane-d32, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 36340-20-2 Price on request 71157 Tetraethylene glycol Price on request 51172 Retention Time Verification Standard Price on request