1,4-Naphthoquinone Back Catalog number: 70412 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4244-100-ME EPA 1653 Chloroguaiacols 8 Analytes, each 100µg/mL in methanol; unit: 1x1mL 4-Chloroguaiacol [16766-30-6] 3,4-Dichloroguaiacol 4,5-Dichloroguaiacol 4,6-Dichloroguaiacol 3,4,5-Trichloroguaiacol 3,4,6-Trichloroguaiacol 4,5,6-Trichloroguaiacol Tetrach Price on request 11744.12-100-IO 2,2',3,4',5,5'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 72895 Dibutyltin diacetate Price on request