(-)-delta-9-THC, 10.0 µg/ml, Methanol, 1ml Back Catalog number: 682169 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 678401 Ethion, 100 µg/ml, Acetonitrile, 5ml Price on request 679457 4,4'-DDD, 100 µg/ml, Methanol, 1ml Price on request 59614 ICP-MS Mix #1 Price on request