3-cysteinylacetaminophen, trifluoroacetic acid salt

Modify Date: 2025-08-24 17:06:25

3-cysteinylacetaminophen, trifluoroacetic acid salt Structure
3-cysteinylacetaminophen, trifluoroacetic acid salt structure
Common Name 3-cysteinylacetaminophen, trifluoroacetic acid salt
CAS Number 53446-10-9 Molecular Weight 270.30
Density 1.44g/cm3 Boiling Point 541.1ºC at 760mmHg
Molecular Formula C11H14N2O4S Melting Point 190-193ºC dec.
MSDS N/A Flash Point 281ºC

 Use of 3-cysteinylacetaminophen, trifluoroacetic acid salt


Paracetamol-cysteine is a Paracetamol-cysteine Paracetamol protein adduct (PPA) and is formed when paracetamol is oxidized to the reactive metabolite N-acetyl-p-benzoquinoneimine (NAPQI)[1].

 Names

Name (2R)-3-(5-acetamido-2-hydroxyphenyl)sulfanyl-2-aminopropanoic acid
Synonym More Synonyms

  Biological Activity

Description Paracetamol-cysteine is a Paracetamol-cysteine Paracetamol protein adduct (PPA) and is formed when paracetamol is oxidized to the reactive metabolite N-acetyl-p-benzoquinoneimine (NAPQI)[1].
Related Catalog
References

[1]. Kennon Heard, et al. Paracetamol (acetaminophen) protein adduct concentrations during therapeutic dosing. Br J Clin Pharmacol. 2016 Mar;81(3):562-8.  

 Chemical & Physical Properties

Density 1.44g/cm3
Boiling Point 541.1ºC at 760mmHg
Melting Point 190-193ºC dec.
Molecular Formula C11H14N2O4S
Molecular Weight 270.30
Flash Point 281ºC
Exact Mass 384.06000
PSA 175.25000
LogP 2.26120
Index of Refraction 1.654
Storage condition Hygroscopic, -20°C Freezer, Under Inert Atmosphere
Stability Hygroscopic

 Synonyms

UNII-6Q2X58Y8BP
3-Cysteinylacetaminophen Trifluoroacetic Acid Salt
3-(Cystein-S-yl)paracetamol
3-(Cystein-S-yl)acetaminophen
L-Cysteine,S-[5-(acetylamino)-2-hydroxyphenyl]
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