The chemical Carbacyclin has a known molecular formula of C21-H34-O4. Synonyms may include: Carboprostacyclin, Carba pgx, Carbacycline, 6a-Carba-pgi2, Carbaprostacyclin, (5E)-6a-Carba-prostaglandin I2, 9alpha-Deoxy-9alpha-methylene-pgi2, 6,9-Methano pgi2, 6,9-Methano-pgi2, 6,9-Methanoprostaglandin I2 (ChemID). Carbacyclin has been assigned a MeSH pharmacological action of: Platelet Aggregation Inhibitor.