Tetrapentyltin Internal Standard Back Catalog number: 82489 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70825 Pyrethrum Price on request 1500.20-K-IO n-Tetradecylcyclohexane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1795-18-2 Price on request 0421.18-150-CY n-Octadecane, ?13C: -30.71, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 593-45-3 Price on request