1,3-Butadiene Back Catalog number: 33004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79909 Acetochlor, 1000µg/ml in MeOH, 1ml Price on request 80910 EPA Method 8091Mix #1 Price on request 1131.11-K-IO n-Undecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1120-21-4 Price on request