CAS 1330-20-7 appears in our catalog under these names: Xylenes, ACS, 98.5+% (Assay, isomers plus ethylbenzene) , Xylenes, Semiconductor Grade , Xylenes, mixed, 97+% . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 500ml, 1L, *4x1L, 2500ml, 1000ml.