Anions Mix Back Catalog number: 50154 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8803.20-K-IO 9-cis-Eicosenoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request NG-17604-1G Propionic acid sodium salt, 1g Price on request 2374.9-K-IO 4-Ethylguaiacol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2785-89-9 Price on request