Species with data from:

Kish, M.M.; Ohanessian, G.; Wesdemiotis, C., The Na+ affinities of a-amino acids: side-chain substituent effects, Int. J. Mass Spectrom., 2003, 227, 3, 509, https://doi.org/10.1016/S1387-3806(03)00082-4 .

20 matching species were found.

For each matching species the following will be displayed:

• Chemical name
• Chemical formula
• Structure image (if available)

Click on the name to see more data.

1. Glycine (C₂H₅NO₂)
   
2. Alanine (C₃H₇NO₂)
   
3. Histidine (C₆H₉N₃O₂)
   
4. L-Asparagine (C₄H₈N₂O₃)
   
5. DL-Phenylalanine (C₉H₁₁NO₂)
   
6. L-Glutamine (C₅H₁₀N₂O₃)
   
7. Arginine (C₆H₁₄N₄O₂)
   
8. DL-Leucine (C₆H₁₃NO₂)
   
9. DL-Valine (C₅H₁₁NO₂)
   
10. dl-Serine (C₃H₇NO₃)
    
11. DL-Isoleucine (C₆H₁₃NO₂)
    
12. dl-Cysteine (C₃H₇NO₂S)
    
13. dl-Lysine (C₆H₁₄N₂O₂)
    
14. dl-Threonine (C₄H₉NO₃)
    
15. DL-Glutamic acid (C₅H₉NO₄)
    
16. 2-Amino-3-(4-hydroxyphenyl)-propanoic acid (C₉H₁₁NO₃)
    
17. dl-Proline (C₅H₉NO₂)
    
18. Sodium ion (1+) (Na⁺)
    
19. Tryptophan (C₁₁H₁₂N₂O₂)
    
20. dl-Aspartic acid (C₄H₇NO₄)
    

© 2026 by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved.

Copyright for NIST Standard Reference Data is governed by the Standard Reference Data Act.