2,4-DB Back Catalog number: 83573 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2789.12-100-IO 4,4'-Thiodianiline, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 139-65-1 Price on request S689097 Sulfanilic Acid-d4, 10mg Price on request 678324 1-Butanol, 5ml Price on request