mercaptoethanol
noun
mer·cap·to·eth·a·nol
mər-ˌkap-tō-ˈeth-ə-ˌnȯl 
: a reducing agent C2H6OS used to break disulfide bonds in proteins (as for the destruction of their physiological activity)
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“Mercaptoethanol.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/mercaptoethanol. Accessed 4 Nov. 2025.
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