Thiophene Back Catalog number: 70984 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94239 PCB Congeners Standard Price on request 97617 3,4,5,6-Tetrachloroguaiacol Price on request 1246.9-K-CY 2,6-Dimethylheptane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 1072-05-5 Price on request