2,4-DB methyl ester Back Catalog number: 83502 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680566 Heptachlor-exo-epoxide, 10 µg/ml, Acetonitrile, Price on request 25015 Base/Neutral & Acid Surrogate Standard Price on request 98517 BTEX (10 µg/mL) Price on request