OS-138 is a chemical compound registered under CAS number 3705-62-2, with the molecular formula C36H26O5 and a molecular weight of about 538.59 g/mol. Its EINECS (EC) number is 223-048-6. It is also known as 1,1’-oxybis[3-(3-phenoxyphenoxy)-benzen; 1,1-oxybis[m-(m-phenoxyphenoxy)benzene]; 1,1-OXYBIS(3-(3-PHENOXYPHENOXY)BENZENE. ChemIBD supplies OS-138 for laboratory research and bulk production; product code 640304. Send an inquiry for purity, packaging, price and lead time.