4,4'-DDD, 10.0 µg/ml, Cyclohexane, 10ml Back Catalog number: 679107 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended MDF-23 2,3-Dichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 1692.12-100-TX10 2-Fluorodibenzothiophene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 177586-38-8 Price on request 93323 DOW 624 Volatile Internal/Surrogate Standard Price on request