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
  • Ion clustering data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
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Reaction thermochemistry 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: 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

Ion clustering 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: Robert C. Dunbar

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

 +  = ( • )

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

Free energy of reaction

Mass spectrum (electron ionization)

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

Spectrum

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Additional Data

Gas Chromatography

Go To: Top, Reaction thermochemistry data, Ion clustering data, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Normal alkane RI, non-polar column, custom temperature program

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References

Go To: Top, Reaction thermochemistry data, Ion clustering data, Mass spectrum (electron ionization), Gas Chromatography, 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]

Schutz and Wollrab A., 1988
Schutz, H.; Wollrab A., The significance of the retention index in toxicologic analysis II, Pharmazie in unzerer Zeit, 1988, 17, 4, 97-101. [all data]

Ardrey and Moffat, 1981
Ardrey, R.E.; Moffat, A.C., Gas-liquid chromatographic retention indices of 1318 substances of toxicological interest on SE-30 or OV-1 stationary phase, J. Chromatogr., 1981, 220, 3, 195-252, https://doi.org/10.1016/S0021-9673(00)81925-1 . [all data]

Notes

Go To: Top, Reaction thermochemistry data, Ion clustering data, Mass spectrum (electron ionization), Gas Chromatography, 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
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