Diphenylamine, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678394 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 10396.21-50-ME (-)-delta-9-THC-acid-13C4 Price on request 79245 EPA Method 8330 Analyte Price on request 91202 Pesticide Standard Price on request