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Sigma Aldrich Fine Chemicals Biosciences 3355-Tetramethylbenzidine
Supplier: Sigma Aldrich Fine Chemicals Biosciences T0565100ML

3 3I 5 5I -Tetramethylbenzidine (TMB) is a chromogenic substrate for horseradish peroxidase (HRP) conjugates. It develops a permanent insoluble dark blue reaction product and is useful in colorimetric quantification.
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