P0139
S-[2-(4-Pyridyl)ethyl]-L-cysteine
suitable for amino acid analysis (Internal standard)
Synonym(s):
4-PEC, S-[β-(4-Pyridyl)ethyl]-L-cysteine
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About This Item
Empirical Formula (Hill Notation):
C10H14N2O2S
CAS Number:
Molecular Weight:
226.30
UNSPSC Code:
12352200
EC Number:
249-249-9
Beilstein/REAXYS Number:
1536857
MDL number:
SMILES string
N[C@@H](CSCCc1ccncc1)C(O)=O
suitability
suitable for amino acid analysis (Internal standard)
storage temp.
2-8°C
Quality Level
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C S Fullmer
Analytical biochemistry, 142(2), 336-339 (1984-11-01)
A method is described for the facile identification of half-cystine residues in peptides from protein digests. Combined use of S-beta-(4-pyridylethylation) of cysteine residues with 4-vinyl pyridine and peptide mapping by reversed-phase high-performance liquid chromatography provides the basis for this procedure.
An internal standard for amino acid analyses: S-beta-(4-pyridylethyl)-L-cysteine.
J F Cavins et al.
Analytical biochemistry, 35(2), 489-493 (1969-11-01)
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