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3-(Acetylmethylamino)-1-propanesulfonic Acid is an intermediate used in the synthesis of 3-(Acetylmethylamino)-1-propanesulfonic Acid Calcium Salt (A186550), which is an impurity of acamprosate (A120000). Acamprosate (A120000) is a synthetic amino acid and a neurotransmitter analogue that is used as an alcohol deterrent in management of alcohol dependence and abuse. Acamprosate was approved for use in the therapy of alcohol dependence and abuse in the United States in 2004.