Internal Standard Back Catalog number: 90396 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1858.12-K-IO 1,4,7-Trimethylindan, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 54340-87-3 Price on request 5190-9759 Ethanol 100mg/dL Standard (10 x 1mL) 54,82 € 95151 Volatile Mix #1 Price on request