2-Methyl-1-butene Back Catalog number: 72432 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0251.34-10MG Dibenzo[h,s]peropyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 191-53-7 Price on request 57138 Strontium (Sr) Price on request 97235 n-Hydrocarbon Standard (C5-C15), 2000µg/mL in MeOH, 1ml Price on request