1,3-Butadiene Back Catalog number: 95491 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70494 sym-Trinitrobenzene Price on request MDF-123478 1,2,3,4,7,8-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 94075 PCB/Pesticide Standard Price on request