CAS 68131-40-8 appears in our catalog under these names: Polyethylene Glycol Trimethylnonyl Ether (Technical Grade), Tergitol™ 15-S-9, Tergitol 15-S-9, TERGITOL(TM), TYPE 15-S-7, TERGITOL(TM), TYPE 15-S-9. Offered by: TRC, Thermo Scientific (Acros), Sigma-Aldrich. Available pack sizes: 100ml, 10ml, 50ml, 1l, 2.5l, 10l, 250ML, 500ML.