2-Butanone Back Catalog number: 97319 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9304.15-100-AN 7-Aminoclonazepam-d4, 100µg/mL in Acetonitrile, 1mL Price on request P4MOA Perfluoro-4-methyloctanoic acid, 1.2ml x 50ug/ml, methanol Price on request 79696 Pyrene-d10, 1000µg/mL in acetonitrile, 1ml Price on request