1,3-Butadiene Back Catalog number: 97296 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA17875000AL Trimethoprim, 100μg/mL in Acetonitrile, 1ml Price on request 10849.16-10MG D-Propranolol hydrochloride Price on request PN-2S 2-Chloronaphthalene, 1.2ml x 50ug/ml, nonane Price on request