Hydroquinone Back Catalog number: 90842 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10738.12-100-IO 2,2',3,3',4,5,6'-Heptachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 70486 trans-1,4-Dichloro-2-butene Price on request 9917.26-K-IO Di-iso-nonyl phthalate (C9-alkyl ester isomer mix, mainly one isomer), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 28553-12-0 Price on request