3,3',5,5'-Tetramethylbenzidine research grade (35926-GRP)

Substrate for horseradish peroxidase. More sensitive than ABTS and more stable and less toxic than diaminobenzidine. See also TMB Ready-To-Use ELISA Substrate (cat. no. 37068) and SERVAColor TMB Blot Solution (cat. no. 37071).