1,3-Butadiene Back Catalog number: 97296 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8374.14-50-IO 9-Chlorophenanthrene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 947-72-8 Price on request EPA-23ISS Internal Standard Stock Solution, 1.2ml, nonane Price on request 71371 tert-Butylamine Price on request