Sarcosine hydrochloride is used in organic synthesis.
Kazuaki Kawaura; Hiroyuki Koike; Kohnosuke Kinoshita; Daiji Kambe; Ayaka Kaku; Jun-ichi Karasawa; Shigeyuki Chaki; Hirohiko Hikichi. Effects of a glycine transporter-1 inhibitor and D-serine on MK-801-induced immobility in the forced swimming test in rats. Behavioural Brain Research. 2015, 278, 186-192.
M. Sheinblatt. NMR Study of the Protolysis Kinetics in Simple Amino Acids. II. Sarcosine (the Zwitterion Form). J. Chem. Phys. 1963, 39 (39), 2005.