(2S)-2-Aminobutanamide hydrochloride

It is the hydrochloride salt of (2S)-2-aminobutanamide, which improves stability, solubility, and handling compared to the free base. The molecule contains a primary amide and a protonated amino group on a defined (S)-configured stereocenter, making it useful where stereochemical control is critical. (2S)-2-Aminobutanamide hydrochloride is a chiral amino amide salt used as a synthetic intermediate in pharmaceutical and fine chemical synthesis.