DEF Back Catalog number: 70629 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2223.12-100-IO 3'-Fluoro-2,4,5-trichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 11816.7-K-IO 2-Ethynyl-3-methylpyrazine,1000 µg/mL,isooctane,1mL, Price on request 97828 VOC Standard Price on request