13C-15N-AMPA, 100 µg/ml, Water, 1ml Back Catalog number: 678228 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 57090 Thorium (Th) Price on request 97077 Methyl acetate Price on request 51059 ASTM D-4815 Calibration Mix #2 Price on request