1,4-Naphthoquinone Back Catalog number: X9138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51120 Column Evaluation Mix ASTM D-5134 Price on request 94306 HPLC Standard Price on request 1800.12-K-IO 2,8-Dibromodibenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 31574-87-5 Price on request