Afidopyropen, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 681308 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 677300 Caffeine, 250mg Price on request 30078 EPA Method 548.1 Internal Standard Price on request 71782 3-Furaldehyde Price on request