Caffeine Back Catalog number: 79397 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended EPA-1613PAR Precision and Recovery Stock Solution, 1.2ml, nonane Price on request 680832 D9-Terbuthylazine-desethyl, 100 µg/ml, Acetonitri Price on request 680290 Flucycloxuron, 100 µg/ml, Acetonitrile, 1ml Price on request