You know what it looks like… but what is it called?
TAKE THE QUIZ“cetylpyridinium”
We have one entry that includes the term cetylpyridinium.
cetylpyridinium chloride
noun: a white powder consisting of a hydrated quaternary ammonium salt C21H38ClN·H2O and used as a cationic detergent and antiseptic
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Merriam-Webster unabridged