Internal Standards Mix 33, 2000 ng/µl, 1ml Back Catalog number: YA08273300TO Availability: In the manufacturer's stock Price on request - + Recommended MPN-23 1,4,5-Trichloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request 8358.12-50-IO 5,5'-Difluoro-3,3',4,4'-tetrachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 673132 2,6-Dichlorprop, 50mg Price on request