2,4-DB methyl ester Back Catalog number: 81502 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2227.18-10MG 1-Fluoro-4-hydroxychrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. Price on request 93887 EPA Method 8260 Volatiles Price on request 40011 EPA Method 614 - Analytes Price on request