Instrument Standard 5 Back Catalog number: 52081 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8215.12-K-AN 2-Methylbutanal-PFBOA derivative, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request 674589 Fenthion-oxon, 10.0 µg/ml, Acetonitrile, 10ml Price on request 71496 Cyfluthrin, “Baythroid” Price on request