Propionic Acid (C3H6O2) Back Catalog number: 50678 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-G Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 679812 Sulfamerazine, 100 µg/ml, Methanol, 1ml Price on request 683417 FRD-903, 10mg Price on request