D3-(±)-Naproxen, 100 µg/ml, Methanol, 1ml Back Catalog number: 677719 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 93538 EPA Method 502/524 Volatile Standard Price on request 32771 2,4-Dimethylhexane Price on request 673981 Thiophanate-methyl, 250mg Price on request