Propionic acid isobutyl ester Back Catalog number: 71648 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2614.34-200-T Violanthrone, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 116-71-2 Price on request 675633 Metosulam, 10.0 µg/ml, Acetonitrile, 10ml Price on request 677297 Difluoroacetic acid, 100mg Price on request