13C3-Caffeine, 100 µg/ml, Methanol, 1ml Back Catalog number: 681491 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 673772 Cyanophos, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 42002 EPA Method 601 Analytes Price on request 91059 Triadimefon Price on request