Formothion, 100 µg/ml, Ethyl acetate, 1ml Back Catalog number: 681222 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 14031-CY5 PAH - Mix 6, 50µg/ml in Cyclohexane, 5ml Price on request 71921 Phthalic acid bis(2-methoxyethyl) ester Price on request 93187 EPA Method 526 Surrogate Standard Price on request