D3-2,4-D, 100 µg/ml, Acetone, 1ml Back Catalog number: 677199 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 95053 EPA Method 527 Surrogate Standard Price on request 678965 Pyrene, 100 µg/ml, Cyclohexane, 1ml Price on request 679635 Ethyl acetate, 5ml Price on request