L-Isoleucine

• Formula: C₆H₁₃NO₂
• Molecular weight: 131.1729
• IUPAC Standard InChI: InChI=1S/C6H13NO2/c1-3-4(2)5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t4-,5+/m0/s1 Copy

  
• IUPAC Standard InChIKey: AGPKZVBTJJNPAG-CRCLSJGQSA-N Copy
• CAS Registry Number: 73-32-5
• Chemical structure:
  This structure is also available as a 2d Mol file
• Stereoisomers:
  • allo-L-isoleucine
  • DL-Isoleucine
• Other names: Isoleucine, L-; α-Amino-β-methylvaleric acid, (2S,3S)-; Acetic acid, amino(1-methylpropyl)-, (R*,R*)-; L-(+)-Isoleucine; L-Norvaline, 3-methyl-, erythro-; Norvaline, 3-methyl-, erythro-; Pentanoic acid, 2-amino-3-methyl-, (2S,3S)-; Pentanoic acid, 2-amino-3-methyl-, [S-(R*,R*)]-; Valeric acid, 2-amino-3-methyl-; 2-Amino-3-methylpentanoic acid, (S-(R*,R*))-; 2-Amino-3-methylvaleric acid; sec-C4H9CH(NH2)COOH; Acetic acid, amino-sec-butyl-; [S-(R*,R*)]-2-Amino-3-methylpentanoic acid; (2S,3S)-2-Amino-3-methylpentanoic acid; (2S,3S)-α-Amino-β-methyl-n-valeric acid; (S)-Isoleucine; (S,S)-Isoleucine; 2S,3S-Isoleucine; L-Ile; Isoleucine; NSC 46708; erythro-L-Isoleucine
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• Information on this page:
  • Phase change data
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • IR Spectrum
  • 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Enthalpy of sublimation

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.

Svec and Clyde, 1965
Svec, H.J.; Clyde, D.D., Vapor pressures of some α-amino acids, J. Chem. Eng. Data, 1965, 10, 151. [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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