cis-2-Butene Back Catalog number: 72428 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675829 Endrin, 100 µg/ml, Toluene, 5ml Price on request 92846 EPA Method 525.2 Pesticide Level 1 Price on request 680247 Ethiprole-sulfone, 100 µg/ml, Acetonitrile, 1ml Price on request