L-Cysteine, N-acetyl-

• Formula: C₅H₉NO₃S
• Molecular weight: 163.195
• IUPAC Standard InChI: InChI=1S/C5H9NO3S/c1-3(7)6-4(2-10)5(8)9/h4,10H,2H2,1H3,(H,6,7)(H,8,9)/t4-/m1/s1 Copy

  
• IUPAC Standard InChIKey: PWKSKIMOESPYIA-SCSAIBSYSA-N Copy
• CAS Registry Number: 616-91-1
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: Cysteine, N-acetyl-, L-; Airbron; Fluimucetin; Fluimucil; Mercapturic acid; Mercapturic acid, (R)-; Mucolyticum Lappe; Mucomyst; N-Acetyl-L-cysteine; N-Acetylcysteine; Respaire; Acetein; Broncholysin; Flumucetin; L-Acetylcysteine; Mucolytikum Lappe; Mucosolvin; NAC; NAC-TB; Parvolex; L-α-Acetamido-β-mercaptopropionic acid; Inspir; Mucolyticum; NSC 111180; Brunac; Fabrol; Fluatox; Fluprowit; Muco sanigen; Mucocedyl; Mucolator; Mucret; Neo-fluimucil; Tixair; Fluimicil Infantil; Lysomucil; Mucofilin; Acetylcysteine
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Reaction thermochemistry data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Ion clustering data
  • Gas Chromatography
• Options:
  • Switch to SI units

Reaction thermochemistry data

Go To: Top, Mass spectrum (electron ionization), References, Notes

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

Data compiled by: Robert C. Dunbar

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

 +  = ( • )

By formula: Na⁺ + C₅H₉NO₃S = (Na⁺ • C₅H₉NO₃S)

Free energy of reaction

Mass spectrum (electron ionization)

Go To: Top, Reaction thermochemistry data, References, Notes

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

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

For Zoom

1.) Enter the desired X axis range (e.g., 100, 200)

2.) Check here for automatic Y scaling

3.) Press here to zoom

Additional Data

References

Go To: Top, Reaction thermochemistry data, Mass spectrum (electron ionization), Notes

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

Feng, Gronert, et al., 1999
Feng, W.Y.; Gronert, S.; Lebrilla, C.B., Lithium and sodium ion binding energies of N-acetyl and N-glycyl amino acids, J. Am. Chem. Soc., 1999, 121, 6, 1365, https://doi.org/10.1021/ja983116s . [all data]

Notes

Go To: Top, Reaction thermochemistry data, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  T	Temperature
  ΔrG°	Free energy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.