Ethanol standard in water,4.0g/L,water, 3mL Back Catalog number: ACQ-AQ40-030 Manufacturer: CHIRON AS Availability: In the manufacturer's stock Price on request - + Recommended 1141.21-K-IO n-Heneicosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 629-94-7 Price on request 79275 2-Methylthiophene Price on request 0001.18-200-T Triphenylene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 217-59-4 Price on request