ABTS (2,2' -Azino-bis-(3-ethylbenzothiazoline-6-sulfonic acid), diammonium salt) is a very sensitive chromogenic peroxidase substrate widely used for ELISA applications. The substrate yields a water-soluble green colored product.<ul><li>Pale yellow solid soluble in water</li><li>Store desiccated at 4&deg;C and protect from light</li><li>C₁₈H₂₄N₆O₆S₄</li><li>MW: 549</li><li>[30931-67-0]</li></ul>