CAS 126-33-0 appears in our catalog under these names: Sulfolan, Sulfolane, Sulfolane, 99% , Sulfolane, 80% w/w aq. soln. , Tetrahydrothiophene 1,1-Dioxide, >99.0%(GC). Offered by: Dr. Ehrenstorfer, TRC, Thermo Scientific (Alfa Aesar), TCI, Biosynth. Available pack sizes: 5g, 100g, 250g, 500g, 1000g, 5000g, 2500ml, 500ml.