Spike Solution #1B Back Catalog number: 59919 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1240.7-K-ME n-Heptane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 142-82-5 Price on request 2563.4-5ML Diethylene glycol, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 111-46-6 Price on request 680503 1,2-Epoxyoctane, 250mg Price on request