BTEX Standard Back Catalog number: 98418 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0049.20-10MG 6-Nitrobenzo[a]pyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 63041-90-7 Price on request C13205000 Erythrosin B disodium salt, certified, 0.25g Price on request 675628 Isoxathion, 100 µg/ml, Ethyl acetate, 5ml Price on request