CAS 2176-98-9 appears in our catalog under these names: Tetrapropyltin, >95% (GC), Tetrapropyltin, Tetra-n-propyltin, Tetra-n-propyltin, Concentration: 1000 µg/ml Solvent: Methanol. Offered by: TRC, Dr. Ehrenstorfer, HPC Standards. Available pack sizes: 10g, 1g, 2,5g, 100mg, 1x100mg, 1x5ml.