Caffeine, 100µg/ml in MeOH, 1ml Back Catalog number: 97536 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 2661.12-10-IOX5 Arochlor 1232, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11141-16-5 Price on request 59919 Spike Solution #1B Price on request 79761 Permethrin (mix isomers), 1000µg/ml in Acetonitrile, 1ml Price on request