3-n-Butylthiophene Name:3-n-Butylthiophene Molecular Formula:C8H12S CAS Registry Number:34722-01-5 Synonyms:3-n-Butylthiophene; Molecular Weight:140.25 Density:0.957 Boiling Point:181-183â?? Appearance: light yellow liquid standard:Enterprise standard. Assay:98% package:25kg/plastic drum price:450usd/kg exw