2-Butanone Back Catalog number: 20014 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-F Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 677331 Triclopyr-2-butoxyethyl ester, 100 µg/ml, Acetoni Price on request A10240400AL-100 Amlodipine, 100µg/mL in Acetonitrile. 1ml Price on request