CAS 571177-68-9 appears in our catalog under these names: Pcbo, 95%, (6,6)–Phenyl–C61–butyric acid n–octyl ester, [6,6]-Phenyl-C61-butyric Acid n-Octyl Ester, >98.0%(HPLC), Pcbo. Offered by: Combi-blocks, GLPBio, TCI, Chemat. Available pack sizes: 100mg, 10mg, 50mg.