CAS 145-50-6 appears in our catalog under these names: p-Naphtholbenzein, 95%, alfa-Naphtholbenzein, Alpha-Naphtholbenzein (Technical Grade), a-Naphtholbenzein (Technical Grade), α–Naphtholquinonephenylmethane1–Naphtholbenzein,indicatorReag·. Offered by: Combi-blocks, Chemat Brand, TRC, GLPBio, Thermo Scientific (Alfa Aesar). Available pack sizes: 25g, 100g, 5g, 1g, on request, 10g, 50g, 250g.