Interference Standard 1 Back Catalog number: 52039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11757.12-100-IO 2,2',3,3',4,5,6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 2308.8-1ML 2-Ethyl-1-hexanol, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 104-76-7 Price on request 674974 Bromopropylate, 250mg Price on request