CAS 1420043-61-3 appears in our catalog under these names: Tolfenamic Acid-13C6, Tolfenamic acid-13C6, 99.7%, 13C6-Tolfenamic acid, Concentration: 100 µg/ml Solvent: Acetonitrile, 13C6-Tolfenamic acid. Offered by: TRC, MedChemExpress, HPC Standards. Available pack sizes: 10mg, 1mg, 5mg, 1 mg, 5 mg, 1x1ml, 1x10mg.