Hydroxyproline

• Formula: C₅H₉NO₃
• Molecular weight: 131.1299
• IUPAC Standard InChI: InChI=1S/C5H9NO3/c7-3-1-4(5(8)9)6-2-3/h3-4,6-7H,1-2H2,(H,8,9)/t3?,4-/m1/s1 Copy

  
• IUPAC Standard InChIKey: PMMYEEVYMWASQN-SRBOSORUSA-N Copy
• CAS Registry Number: 51-35-4
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: L-Proline, 4-hydroxy-, trans-; Proline, 4-hydroxy-, L-; δ-Hydroxyproline; trans-Hydroxyproline; trans-L-Hydroxyproline; trans-4-Hydroxy-L-Proline; trans-4-Hydroxyproline; Hydroxy-L-Proline; Hypro; L-Hydroxyproline; L-4-Hydroxyproline; Ls-Hydroxyproline; Proline, 4-hydroxy-; 4-Hydroxy-L-proline; 4-Hydroxy-2-pyrrolidinecarboxylic acid; 4-Hydroxyproline; 4-L-Hydroxyproline; Hydroxyproline, (L)-; L-Proline, 4-hydroxy-, (4R)-; NSC 46704
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
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Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: William E. Acree, Jr., James S. Chickos

Enthalpy of sublimation

Gas phase ion energetics data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard

Ionization energy determinations

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

de Kruif, Voogd, et al., 1979
de Kruif, C.G.; Voogd, J.; Offringa, J.C.A., Enthalpies of sublimation and vapour pressures of 14 amino acids and peptides, The Journal of Chemical Thermodynamics, 1979, 11, 7, 651-656, https://doi.org/10.1016/0021-9614(79)90030-2 . [all data]

Cannington and Ham, 1983
Cannington, P.H.; Ham, N.S., He(I) and He(II) photoelectron spectra of glycine and related molecules, J. Electron Spectrosc. Relat. Phenom., 1983, 32, 139. [all data]

Notes

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• Symbols used in this document:
  

  ΔsubH

  Enthalpy of sublimation

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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