CAS 55341-87-2 appears in our catalog under these names: 3–Amino–2–thiophenecarboxylic Acid, 3-Amino-2-thiophenecarboxylic Acid, 95%, 3-aminothiophene-2-carboxylic acid, >95%, 3-Aminothiophene-2-carboxylic acid potassium salt, 95%. Offered by: GLPBio, Ambeed, Chemat, Fluorochem, BLDpharm. Available pack sizes: 1g, 5g, 100mg, 250mg, 10g, 25g, 100g.