CAS 23627-89-6 appears in our catalog under these names: Poly((9,9-dihexylfluoren-2,7-diyl)-co-(9-ethylcarbazol-2,7-diyl))end capped with dimethylphenyl, Naphthalocyanine, 2,3-NAPHTHALOCYANINE. Offered by: Lumtec, Chemat, Sigma-Aldrich. Available pack sizes: On request, 1g.