1,4-Naphthoquinone Back Catalog number: X9138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675033 Sodium Dodecylbenzenesulfonate (soft type) (LAS 10 Price on request 0707.14-500-IO 1,4,6,7-Tetramethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 13764-18-6 Price on request M1408 Sodium 2-Methyl-2-propene-1-sulfonate, 25g Price on request