PCB Isomers Mix A Back Catalog number: 94274 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1872.8-1ML 3-Methylheptane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 589-81-1 Price on request 95420 ASTM D6584 Standard Set Price on request 2204.14-K-IO 9-Nitrophenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 954-46-1 Price on request