2-Methyl-1-butene Back Catalog number: 72432 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9054.6-K-IP 4,5-Dichlorocatechol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 3428-24-8 Price on request 9757.20-10MG n-Pentyl benzyl phthalate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1240-18-2 Price on request 53064 Spiking Standard 1 Price on request