Sodium Butyrate (C3H7COOH) Back Catalog number: 54187 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53099 ICP-MS Calibration Standard Price on request 675175 2,6-Dichlorophenol, 100 µg/ml, Methanol, 5ml Price on request DF-IS-C200 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request