3,4-Dichloro-1-butene Back Catalog number: 71890 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53139 EPA 1620 Standard 1 Price on request 30063R EPA Method 502/524 High Conc VOC Mix #6 Price on request 63200 2,2',3,3',4,5,6,6'-Octachlorobiphenyl (200) Price on request