CAS 877-22-5 appears in our catalog under these names: o-Vanillic Acid, 2–Hydroxy–3–Methoxy Benzoic Acid, 2-Hydroxy-3-methoxybenzoic acid, 98+% , 2-Hydroxy-3-methoxybenzoic acid, 3-Methoxysalicylic Acid, >98.0%(GC)(T). Offered by: TRC, GLPBio, Thermo Scientific (Alfa Aesar), Biosynth, TCI. Available pack sizes: 10g, 25g, 5g, 100g, 250g, 500g, 2000g, 1000g.