CAS: 288-05-1 Molecular Formula: C4H4Se Molecular Weight (g/mol): 131.04 MDL Number: MFCD00075487 InChI Key: MABNMNVCOAICNO-UHFFFAOYSA-N Synonym: selenophen,selenophene,acmc-1cr2h PubChem CID: 136130 ChEBI: CHEBI:30857 IUPAC Name: selenophene SMILES: C1=C[Se]C=C1