Isobutanol Back Catalog number: 90489 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0402.23-150-CY n-Tricosane, ?13C: -26.71, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 638-67-5 Price on request 73635 Ecgonine methyl ester Price on request 53319 Multi-Element Internal Standard / Price on request