GLC Reference standard 744, 100mg Back Catalog number: GLC-744 Availability: In the manufacturer's stock Price on request - + Recommended PN-37S 1,2,5,7-Tetrachloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request 0030.26-5MG Dibenzo[b,k]chrysene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 217-54-9 Price on request 70444R Aroclor 1262 Price on request