1,3-Butadiene Back Catalog number: 95491 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673267 Disulfoton-sulfone, 100 µg/ml, Acetonitrile, 5ml Price on request 0026.40-100-T Quaterrylene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 188-73-8 Price on request 10161.20-10MG Amitriptyline-d3 hydrochloride (N-methyl-d3), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 342611-00-1 Price on request