2,3-Dimethylheptane Back Catalog number: 71954 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96501 Fentanyl-D5 Price on request 59381 Spiking Solution Price on request 0071.9-K-CY trans-Bicyclo[4.3.0]nonane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 3296-50-2 Price on request