13C6-2,4-D, 100µg/ml in Acetonitrile, 1ml Back Catalog number: 691069 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 8685.12-100-AN Quinalphos Price on request 54022 Sodium Perchlorate (18O4) Price on request 11783.10 1,2,3,4,6,7-Hexachloronaphthalene,,,, Price on request