CAS Registry Number

CAS 389-58-2 — 4H-Cyclopenta(2,1-b:3,4-b)dithiophene

4H-Cyclopenta(2,1-b:3,4-b)dithiophene (CPDT) is a fused heterocyclic compound widely used in organic electronics, particularly as a building block for conjugated polymers and small molecules in organic photovoltaics (OPVs) and field-effect transistors (OFETs). It enhances charge transport and stability in electronic materials. This chemical has a CAS number of 389-58-2, with the molecular formula C9H6S2 and a molecular weight of 178.3 g/mol. It is stored at ambient conditions with no signal word required for hazard classification. Molekula supplies 4H-Cyclopenta(2,1-b:3,4-b)dithiophene from research to bulk quantities with full documentation and ISO 9001:2015 traceability.