Propionic acid isobutyl ester Back Catalog number: 71648 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 13600-0183-1000ME Diethyleneglycol-monobutylether, 1000µg/ml in MeOH Price on request 91639 Pesticide Standard Price on request 678244 2,4-Di-tert-butylphenol, 100mg Price on request