Butyric acid (C4H8O2) Back Catalog number: 50677 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended EPA-8290HRCCAV Calibration Kit; Alternate Volume, 5 x 200ul, nonane Price on request 43016 Naphthalene-d8 Price on request 3476.21-100-CY Permethrin Price on request