TCEP is a tertiary phosphine in which phosphane is substituted with three 2-carboxyethyl groups. It is a commonly used reducing agent. It has a role as a reducing agent. It is a tricarboxylic acid and a phosphine derivative.
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In vitro H2S release from ADT-COOH, conjugates I, II and III (100 µM) on incubation with tris(2-carboxyethyl)phosphine (TCEP, 1mM) at 37 °C.