Siloxane Standard Back Catalog number: 94248 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679556 D5-Nalidixic acid, 10mg Price on request 1107.14-100-TX10 9-Nitroanthracene-d9, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 220381-38-4 Price on request X9164 Aroclor 1254 Price on request