1,3-Butadiene Back Catalog number: 71492 Availability: In the manufacturer's stock Price on request - + Recommended 1664.8-K-IO 1,2-Dichlorooctane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 21948-46-9 Price on request 70259 Pyrene Price on request 11996.12-5MG Hydroxytolbutamide-d9 (butyl-d9),neat,neat,5mg Price on request