2-Methyl-2-butene Back Catalog number: 71465 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59142 Anions Mix Price on request 90127 Aroclor 1248 Price on request 3271.19-K-IO Methyl 6-cis-octadecenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2777-58-4 Price on request