Tungsten (W) Back Catalog number: 57174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9059.7-K-IP 3,4,5-Trichloroguaiacol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 57057-83-7 Price on request L20950001CY PAH-Mix 1, in Cyclohexane, 10ml Price on request 10435.20-10MG 4-Cyano-4-heptylbiphenyl Price on request