BTEX Standard Back Catalog number: 90007 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 91816 Surrogate Standard Price on request 1763.13-10MG 9-Aminofluorene hydrochloride, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 59978-75-6 Price on request M8FOSA-I Perfluoro-1-[13C8]octanesulfonamide, 1.2ml x 50ug/ml, isopropanol Price on request