Propham Back Catalog number: 31741 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1087.18-K-TX10 Benz[a]anthracene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1718-53-2 Price on request EPA-8290MSS Matrix Spiking Solution, 1.2ml, nonane Price on request 70990 2,4-Dichlorophenylacetic acid Price on request