2-Methyl-1-butene Back Catalog number: 72432 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674866 Trimethylsulfonium iodide, 250mg Price on request 678554 Barban, 100 µg/ml, Acetonitrile, 1ml Price on request 677199 D3-2,4-D, 100 µg/ml, Acetone, 1ml Price on request