2,3-Butanediol, certified, 0.25g Back Catalog number: C10861320 Availability: In the manufacturer's stock Price on request - + Recommended 8820.12-100-IO 2,2',3,4,5,5'-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52712-04-6 Price on request 677184 3,3'-Dichlorobenzidine, 100mg Price on request 31231 1,4-Dichlorobenzene Price on request