1,2,4,5,7,8-Hexachloronaphthalene, 1.2ml x 50ug/ml, nonane Back Catalog number: PN-72S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 8814.12-100-IO 2',3,5-Trichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 37680-68-5 Price on request 9479.7-100K-ME Spermidine, 100mg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 124-20-9 Price on request 57014 Silicon (Si), 1000µg/ml in 2%-HNO3/Water, 100ml Price on request