1,2:3,4-Diepoxybutane Back Catalog number: 90975 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10688.12-100-IO 2,2',3,4,6'-Pentachlorobiphenyl Price on request 676605 D4-1,4-Dichlorobenzene, 100mg Price on request 66054 2,2’,6,6’-Tetrachlorobiphenyl (54) Price on request