Internal Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-23ISS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 91108 Isofenphos Price on request 682634 Dimethyl carbonate, 1000mg Price on request 8665.21-100 Dimethomorph, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 110488-70-5 Price on request