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Substance Name: Hydroxyproline
RN: 51-35-4
UNII: RMB44WO89X
InChIKey: PMMYEEVYMWASQN-DMTCNVIQSA-N

Note

  • A hydroxylated form of the imino acid proline. A deficiency in ASCORBIC ACID can result in impaired hydroxyproline formation.

Molecular Formula

  • C5-H9-N-O3

Molecular Weight

  • 131.1301
 

Classification Code

  • Mutation Data
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Names and Synonyms

Name of Substance

  • 4-Hydroxy-L-proline
  • Hydroxyproline
  • L-Proline, 4-hydroxy-

MeSH Heading

  • Hydroxyproline

Synonyms

  • 4-Hydroxy-2-pyrrolidinecarboxylic acid
  • 4-Hydroxy-L-proline
  • EINECS 200-091-9
  • Hydroxy-L-proline
  • Hydroxyproline
  • Hydroxyproline (VAN)
  • Hypro
  • L-4-Hydroxyproline
  • L-Proline, 4-hydroxy-, trans-
  • NSC 46704
  • Oxaceprol
  • Proline, 4-hydroxy- (VAN)
  • Proline, 4-hydroxy-, L-
  • trans-4-Hydroxy-L-proline
  • trans-4-Hydroxyproline
  • UNII-RMB44WO89X

Systematic Names

  • L-4-Hydroxyproline
  • L-Proline, 4-hydroxy-, (4R)-
  • L-Proline, 4-hydroxy-, trans- (9CI)
  • Proline, 4-hydroxy-, L-

Superlist Name

  • Hydroxyproline

Registry Numbers

CAS Registry Number

  • 51-35-4

FDA UNII

  • RMB44WO89X

Other Registry Numbers

  • 138-46-5
  • 17210-41-2
  • 21105-75-9
  • 24784-87-0
  • 54733-36-7

System Generated Number

  • 0000051354

Structure Descriptors

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

InChIKey

PMMYEEVYMWASQN-DMTCNVIQSA-N

Smiles

C1[C@H](CN[C@@H]1C(=O)O)O

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 274 deg C   EXP
pKa Dissociation Constant 1.92 (none) 25 EXP
log P (octanol-water) -3.17E+00 (none)   EXP
Water Solubility 3.61E+05 mg/L 25 EXP
Vapor Pressure 1.52E-09 mm Hg 25 EST
Henry's Law Constant 7.01E-14 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 8.86E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.