1,3-Butadiene Back Catalog number: 79332 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71420 Atrazine-desisopropyl Price on request 678512 Tolclofos-methyl, 100 µg/ml, Acetonitrile, 1ml Price on request 675673 Terbacil, 10.0 µg/ml, Ethyl acetate, 10ml Price on request