Aroclor 1221 in Transformer Oil Back Catalog number: 61221 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2332.12-K-HX 5-tert-Butyl-m-xylene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 98-19-1 Price on request 83561 Valeraldehyde-DNPH Price on request 56081 Thallium (Tl) Price on request