Coferm Level 1 Back Catalog number: 94588 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11683.12-100-IO 2,2',3,3'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request PN-9S 1,8-Dichloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request 11252.9-100-AN Propanil-2,2,3,3,3-d5,100 µg/mL,acetonitrile,1mL, Price on request