502.2 Volatile Organic std., 0,2mg/ml in MeOH, 1ml Back Catalog number: M-502A-R Availability: In the manufacturer's stock Price on request - + Recommended 8211.11-K-AN n-Butyraldehyde-PFBOA derivative, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request 675274 Pyriproxyfen, 100mg Price on request BB-37 3,4,4'-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request