DEF Back Catalog number: 79583 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1829.10-1G 2-Phenylbutyric acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 90-27-7 Price on request 72708 sec-Butyl acetate Price on request 53078 Instrument Standard 2 Price on request