1,4-Naphthoquinone Back Catalog number: X9138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679795 Difloxacin hydrochloride, 100 µg/ml, Methanol, 1 Price on request 11707.12-100-IO 3,3',5,5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 38157 CWA Oxygenates Price on request