1-Amino-2-naphthol-6-sulfonic acid, min. 95 %, 5 mg

1-Amino-2-naphthol-6-sulfonic acid, Molar mass (M) 239,25 g/mol, Storage temp. +2 to +8 °C, CAS No. 5639-34-9, Empirical formula C₁₀H₉NO₄S