CAS 1415-93-6 appears in our catalog under these names: Humic Acid, Humic acid, Humic acid , Humic acid, 99%, 99%, Humic acid, 91.3%. Offered by: Chemat Brand, GLPBio, Thermo Scientific (Alfa Aesar), Biosynth, Chemat. Available pack sizes: on request, 100g, 250g, 50g, 5g, 25g, 10g, 500g.