Conductance @ 20°C Back Catalog number: 54231 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1831.4-1G 3-Chlorothiophene, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 17249-80-8 Price on request 1504.30-100-IO 3ß(H),17ß(H),21ß(H)-3-Hydroxyhopane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 98516 BTEX (5.0 µg/mL) Price on request