ABTS Substrate is a one-bottle, ready to use substrate for horseradish peroxidase (HRP) microwell applications. It contains 2.2’-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid)-diammonium salt in a mildly acidic buffer. ABTS develops a blue-green color in the presence of a peroxidase labelled conjugate. The reaction can be stopped using 1% SDS stop solution. ABTS substrate is not applicable for use with assays requiring a precipitating substrate. Sensitivity: ABTS substrate is highly sensitive and offers excellent signal-to-noise. Stability and Storage: ABTS Substrate is stable for a minimum of 36 months when stored at 2 – 8°C. Appearance: Colorless to very light green solution Custom Packaging Service: Neogen can package ABTS Microwell Substrate in custom bottle sizes and volume fills to meet your specific packaging requirements. This service is a time and cost saving feature for any test kit manufacturer. For details on this service, please contact a Neogen representative. Order Details Product # Product Description 310247 ABTS Substrate, 100 mL 310177 ABTS Substrate, 1 L For research and manufacturing use only.