2,3-Butanedione Back Catalog number: 72508 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2696.12-K-IO 2-Aminobiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 90-41-5 Price on request 96331 Volatile Mix IS & SS Price on request IBPO003 Azorubin (E 122), 1g Price on request