3,4-Dichloro-1-butene Back Catalog number: 71890 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675331 Ethion, 250mg Price on request 70263 Simazine, 1000µg/ml in Acetone, 1ml Price on request 11918.4-10MG Hexachloro-1,3-butadiene-13C4,neat,neat,10mg, Price on request