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 73332 trans-9-Octadecenoic acid Price on request MBP-194 2,2',3,3',4,4',5,5'-Octachloro[13C12]biphenyl, 50.0µg/mL in Nonane/10% toluene, 1,2ml Price on request 79247 EPA Method 8330 Analyte Price on request