CAS 99-31-0 appears in our catalog under these names: Glycopyrrolate Impurity 10, 5–Aminoisophthalic acid, 5-Aminoisophthalic acid, 95% , 5-Aminoisophthalic acid, 5-Aminoisophthalic acid, 98%. Offered by: Chemat Brand, GLPBio, Thermo Scientific (Alfa Aesar), Biosynth, Thermo Scientific (Acros). Available pack sizes: on request, 500g, 50g, 250g, 0,5kg, 0,25kg, 25g, 100g.