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2D Structure
Also known as: 38520-57-9, (r)-2-acetamido-3-mercaptopropanamide, Acetylcysteine amide, Nac amide, N-acetyl-l-cysteinamide, Naca
Molecular Formula
C5H10N2O2S
Molecular Weight
162.21  g/mol
InChI Key
UJCHIZDEQZMODR-BYPYZUCNSA-N
FDA UNII
4N69717RKW

N-Acetylcysteine Amide is the amide form of N-acetylcysteine (NAC), a synthetic N-acetyl derivative and prodrug of the endogenous amino acid and antioxidant glutathione (GSH) precursor L-cysteine, with potential antioxidant and anti-inflammatory activities. Upon administration, N-acetylcysteine amide (NACA) increases GSH levels. GSH scavenges reactive oxygen species (ROS), reduces oxidative stress and prevents ROS-mediated cell damage and apoptosis. NACA has enhanced lipophilicity and membrane permeability compared with NAC.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
(2R)-2-acetamido-3-sulfanylpropanamide
2.1.2 InChI
InChI=1S/C5H10N2O2S/c1-3(8)7-4(2-10)5(6)9/h4,10H,2H2,1H3,(H2,6,9)(H,7,8)/t4-/m0/s1
2.1.3 InChI Key
UJCHIZDEQZMODR-BYPYZUCNSA-N
2.2 Other Identifiers
2.2.1 UNII
4N69717RKW
2.3 Synonyms
2.3.1 MeSH Synonyms

1. 2-acetamido-3-mercapto-l-propionamide

2. N-acetylcysteinamide

2.3.2 Depositor-Supplied Synonyms

1. 38520-57-9

2. (r)-2-acetamido-3-mercaptopropanamide

3. Acetylcysteine Amide

4. Nac Amide

5. N-acetyl-l-cysteinamide

6. Naca

7. Acetylcysteinamide

8. N-acetyl-l-cysteine Amide

9. N-acetyl Cysteine Amide

10. N-acetyl-cysteine-amide

11. N-acetylcysteinamide

12. Propanamide, 2-(acetylamino)-3-mercapto-, (2r)-

13. Mfcd01696115

14. 4n69717rkw

15. Propanamide, 2-(acetylamino)-3-mercapto-, (r)-

16. (2r)-2-acetamido-3-sulfanylpropanamide

17. (2r)-2-(acetylamino)-3-mercaptopropanamide;

18. Unii-4n69717rkw

19. N-acetylcysteine Amide [who-dd]

20. Ac-cys-nh2

21. (r)- 2-(acetylamino)-3-mercapto-propanamide

22. N-acetylcysteine Amide;(r)-2-acetamido-3-mercaptopropanamide

23. Schembl377413

24. Dtxsid30436398

25. Chebi:231847

26. Ujchizdeqzmodr-bypyzucnsa-n

27. Hms3886b05

28. S5804

29. Akos006373417

30. Db14480

31. Da-55966

32. N-acetylcysteine Amide, >=98% (hplc)

33. Hy-110256

34. Cs-0033121

35. Q15408428

2.4 Create Date
2006-10-25
3 Chemical and Physical Properties
Molecular Weight 162.21 g/mol
Molecular Formula C5H10N2O2S
XLogP3-0.3
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count3
Rotatable Bond Count3
Exact Mass Da
Monoisotopic Mass Da
Topological Polar Surface Area73.2
Heavy Atom Count10
Formal Charge0
Complexity149
Isotope Atom Count0
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1