CAS 82-07-5 appears in our catalog under these names: Xanthene-9-carboxylic Acid, >95% (HPLC), Xanthene-9-carboxylic acid, 98% , Xanthene-9-carboxylic Acid, >98.0%(T), Xanthene-9-carboxylic acid 98%, XANTHANOIC ACID. Offered by: TRC, Thermo Scientific (Alfa Aesar), TCI, Ambeed, Sigma-Aldrich. Available pack sizes: 5g, 25g, 100g, 1g, 10g, 500g, 100MG, Get quote.