Procysteine CAS: 19771-63-2
MW: 147.1
A precursor in glutathione synthesis.

Procysteine (CAS 19771-63-2)

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Synonym: L-2-Oxothiazolidine-4-carboxylic acid
Application: A precursor in glutathione synthesis
CAS Number: 19771-63-2
Purity: ≥98%
Molecular Weight: 147.1
Molecular Formula: C4H5NO3S
* Refer to Certificate of Analysis for lot specific data (including water content).
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Procysteine is a glutathione (GSH) precursor that links GSH synthesis and metabolism. GSH contains numerous important functions including protection against oxidative stress. Similar to GSH, Procysteine has been found to contain anti-oxidative capabilities via restoration of glutathione levels in atrophied muscles. This compound has also been found to stimulate gene expression of insulin-like growth factor-1, cardiotrophin-1, and ciliary neurotrophic factor.


1. Chen, X. and Batist, G. 1998. Biochem. Pharmacol. 56: 743-749. PMID: 9751079
2. Anderson, M.E. 1998. Chem. Biol. Interact. 111-112: 1-14. PMID: 9679538
3. Otis, J.S. and Guidot, D.M. 2009. Alcohol. Clin. Exp. Res. 33: 1450-1459. PMID: 19426167
4. Otis, J.S. and Guidot, D.M. 2010. Alcohol Alcohol. 45: 495-500. PMID: 20935073

Physical State :
Solubility :
Soluble in ethanol. Insoluble in water.
Storage :
Store at room temperature
Melting Point :
174° C (dec.)
Boiling Point :
359.88° C (Predicted)
Density :
~1.6 g/cm3 (Predicted)
Refractive Index :
n20D 1.59
Optical Activity :
α20/D -64°, c = 1 in water
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
WGK Germany :
PubChem CID :
Merck Index :
14: 6950
MDL Number :
Beilstein Registry :
C1[[email protected]](NC(=O)S1)C(=O)O

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Certificate of Analysis

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