cis-2-Butene Back Catalog number: 72428 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679909 Acetone, 5ml Price on request 673576 Etofenprox, 100 µg/ml, Ethyl acetate, 5ml Price on request 1109.13-100-T 2-Nitrofluorene-d9, 100µg/ml in Toluene, 1ml Price on request