Chemical Oxygen Demand Back Catalog number: 59447 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70429 1,2-Epoxybutane Price on request 8959.19-100-ME 3-Chloro-1,2-propandiol-2-monopalmitoleate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 71533 Methyl laurate Price on request