1,3-Butadiene Back Catalog number: 95491 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11844.7-100-AN 2-Methyl-4-nitroaniline,100 µg/mL,acetonitrile,1mL, Price on request 71831 3,4-Dichloronitrobenzene Price on request 70048 4-Bromofluorobenzene Price on request