cis-2-Butene Back Catalog number: 72428 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 32561 Chloromethane Price on request 83610 Isovaleraldehyde-DNPH, 100µg/ml in Acetonitrile, 1ml Price on request 92479 Herbicides Mix #2 - Free Acids Price on request