Oxalic Acid (C2H2O4) Back Catalog number: 54196 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-I Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 679295 Cythioate, 100 µg/ml, Methanol, 1ml Price on request 678209 Triclocarban, 10.0 µg/ml, Methanol, 10ml Price on request