Synonyms(-)-4-Hydroxy-2-pyrrolidinecarboxylic Acid; (2S,4R)-(-)-4-Hydroxyproline; (R)-4-Hydroxy-(S)-proline; 4(R)-Hydroxy-2(S)-pyrrolidinecarboxylic Acid; 4-trans-Hydroxy-L-proline; L-Hypro; NSC 46704 Close (-)-4-Hydroxy-2-pyrrolidinecarboxylic Acid; (2S,4R)-(-)-4-Hydroxyproline; (R)-4-Hydroxy-(S)-proline; 4(R)-Hydroxy-2(S)-pyrrolidinecarboxylic Acid; 4-trans-Hydroxy-L-proline; L-Hypro; NSC 46704 Related products trans-4-Hydroxy-L-proline M.F. M.W. 131.13 CAT# AR-H01265 CAS# 51-35-4