Propham Back Catalog number: 3493.10-100-CY Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 68C-IS Labelled Injection/Internal Standard Stock Solution, 1.2ml, nonane Price on request 2374.9-K-IO 4-Ethylguaiacol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2785-89-9 Price on request 684515 Atrazine-2-hydroxy, 10.0 µg/ml, Methanol, 10ml Price on request