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ε-13C-labeled tyrosine is a chemical compound in which the ε-position of the tyrosine molecule is labeled with the stable isotope carbon-13. Tyrosine is an amino acid that plays a crucial role in various biological processes, including the synthesis of neurotransmitters, hormones, and pigments. The 13C labeling allows for the tracking and analysis of metabolic pathways involving tyrosine, as well as the study of enzyme kinetics and protein structure. This labeled compound is particularly useful in research and diagnostic applications, providing valuable insights into the functioning of biological systems at the molecular level.

81201-91-4

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81201-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81201-91-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,0 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 81201-91:
(7*8)+(6*1)+(5*2)+(4*0)+(3*1)+(2*9)+(1*1)=94
94 % 10 = 4
So 81201-91-4 is a valid CAS Registry Number.

81201-91-4Downstream Products

81201-91-4Relevant academic research and scientific papers

Synthesis and NMR spectroscopy of stable isotope-labelled phenols and L-tyrosines

Winkel, C.,Aarts, M. W. M. M.,Heide, F. R. van der,Buitenhuis, E. G.,Lugtenburg, J.

, p. 139 - 146 (2007/10/02)

The syntheses of (17O)phenol from (17O)water, (18O)phenol from (18O)water, (1-13C)-phenol and (4-13C)phenol from (2-13C)acetone and (2-13C)phenol and (3-13C)phenol from (1-13C)acetone with high isotopic enrichment are described.The labelled phenols are converted into their corresponding L-tyrosines by the bacterium Erwinia herbicola.A full analysis of the 1H and 13C NMR spectra of phenol and L-tyrosine is reported.

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