1,3-Butadiene Back Catalog number: 79332 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 97999 Ethylene oxide (2mg/mL) Price on request XA20830000AL Indeno[1,2,3-c,d]pyrene, 100µg/mL in Acetonitrile, 1ml Price on request 2575.26-200-T 1-n-Hexylperylene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 143076-98-6 Price on request