Phthalic acid, bis-2-n-butoxyethyl ester, certified, 0.1g Back Catalog number: C16170500 Availability: In the manufacturer's stock Price on request - + Recommended C20990600 6-Hydroxychrysene, 10mg Price on request GA09011134LM Benzidine D8, 500µg/mL in Acetonitrile:Methanol, 1ml Price on request 94133 BTEX Standard Price on request