2-Isobutyl-3-methoxypyrazine Back Catalog number: 72478 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 83558 o-Tolualdehyde-DNPH, 100µg/ml in Acetonitrile, 1ml Price on request 676290 Phenthoate, 100 µg/ml, Methanol, 1ml Price on request 675642 Propaquizafop, 100 µg/ml, Ethyl acetate, 5ml Price on request