 Lactic acid in the NIST Chemistry WebBook

Primary identity record: webbook.nist.gov/cgi/cbook.cgi?ID=C50215&Units=SI . NIST Chemistry WebBook, CAS 50-21-5. Other Names includes 2-hydroxypropanoic acid and alpha-hydroxypropanoic acid, linking the lactic-acid name to the hydroxyl position. Identity and nomenclature are used here; no cosmetic or clinical treatment claims are inferred.