CAS 1338-43-8 appears in our catalog under these names: Sorbitan Monooleate (Technical Grade), Sorbitan monooleate , Span 80 (=Sorbitan Monooleate), Span 80, Sorbitan monooleate Saponification Value 140-160. Offered by: TRC, Thermo Scientific (Alfa Aesar), TCI, Chemat, Ambeed. Available pack sizes: 100ml, 250ml, 25ml, 1L, 25g, 500g, 5l, 100g.