AMPA-13C-15N, 100μg/ml in Water, 1ml Back Catalog number: 15900-0162C-100WS Manufacturer: NEOCHEMA Availability: In the manufacturer's stock Price on request - + Recommended 95319 Revised Additions Mix Price on request 92942 Volatile Standard Price on request S-4045-05-10ME Methanol QC Reference Mixture III n-Butyl sulfide, 0.5 ppm (weight S by weight) in 99.9 % methanol; units: 1x10mL, 5x10mL Price on request