L-4-Hydroxyproline

Structural formula

Business number	014P
Molecular formula	C5H9NO3
Molecular weight	131.13
label	L-Hydroxyproline, 4-hydroxy-2-carboxypyrrolidine, trans-4-hydroxy-L-proline, (-)-(2S,4R)-4-Hydroxyproline, 4-Hydroxy-2-pyrrolidinecarboxylin acid, intermediates, Biochemical reagents

• Numbering system
• Physical property data
• Toxicological data
• Ecological data
• Molecular structure data
• Computing chemical data
• More
  • Properties and Stability
  • Storage method
  • Synthesis method
  • Purpose

Numbering system

CAS number:51-35-4

MDL number:MFCD00064320

EINECS number:200-091-9

RTECS number:TW3586500

BRN number:81441

PubChem number:24880041

Physical property data

1. Properties: colorless rhombus or needle-shaped crystals. Optically active.

2. Density (g/mL, 25/4℃): 1.395

3. Relative vapor density (g/mL, air=1): Undetermined

4. Melting point (ºC): 274

5. Boiling point (ºC, normal pressure): Undetermined

6. Boiling point (ºC, 5.2kPa): Undetermined

7. Refractive index: Undetermined

8. Flash point (ºC): Undetermined

9. Specific rotation (º): [α]_D-76.5° (C=2.5, in water)

10. Autoignition point or ignition temperature (ºC): Undetermined

11. Vapor pressure ( kPa, 25ºC): Undetermined

12. Saturated vapor pressure (kPa, 60ºC): Undetermined

13. Heat of combustion (KJ/mol): Undetermined

14. Critical temperature (ºC): Undetermined

15. Critical pressure (KPa): Undetermined

16. Oil-water (octanol/water) partition coefficient relationship Value: Undetermined

17. Explosion upper limit (%, V/V): Undetermined

18. Explosion lower limit (%, V/V): Undetermined

19. Solubility: Solubility in water: 288.6g/L at 0℃, 361.1g/L at 25℃, 451.8g/L at 50℃, 516.7g/L at 65℃. Very slightly soluble in ethanol, insoluble in ether.

Toxicological data

1. Mutagenicity: sister chromatids exchangeTEST system: human lymphocytes: 10mgL

Ecological data

None

Molecular structure data

1. Molar refractive index: 29.49

2. Molar volume (cm³/mol): 93.9

3. Isotonic specific volume (90.2K ): 263.9

4. Surface tension (dyne/cm): 62.2

5. Polarizability (10-24cm3): 11.69

Computing chemical data

1. Hydrophobic parameter calculation reference value (XlogP): -3.3

2. Number of hydrogen bond donors: 3

3. Number of hydrogen bond acceptors: 4

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4. Number of rotatable chemical bonds: 1

5. Number of tautomers:

6. Topological molecular polar surface area (TPSA): 69.6

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7. Number of heavy atoms: 9

8. Surface charge: 0

9. Complexity: 125

10. Number of isotope atoms : 0

11. Determine the number of atomic stereocenters: 2

12. Uncertain number of atomic stereocenters: 0

13. Determine the chemical bond configuration Number of centers: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

1. Found in tobacco leaves.

Storage method

1. Protect from light and store in a sealed container.

Synthesis method

None

Purpose

Used as biochemical reagents.

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