Isobutyric acid Back Catalog number: 71809 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 672909 beta-Cyfluthrin, 250mg Price on request 72887 Tri-n-propyltin chloride Price on request S-4160-100-5HX Analytical Standard for n-Alkanes 1mL Use 100µg/mL in hexane as a working standard n-C10-C40 + Pristane Price on request