Date published: 2026-4-5

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L-Tyrosine hydrochloride (CAS 16870-43-2)

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Alternate Names:
3-(4-Hydroxyphenyl)-L-alanine hydrochloride
Application:
L-Tyrosine hydrochloride is the HCl salt of tyrosine - a precursor to catecholamines
CAS Number:
16870-43-2
Molecular Weight:
217.65
Molecular Formula:
C9H11NO3•HCl
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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L-Tyrosine hydrochloride is an amino acid precursor of dopamine as well as other catecholamines. It is a white crystalline powder that is soluble in water and only slightly soluble in ethanol. L-Tyrosine is biologically converted from L-phenylalanine and is in turn is converted to L-DOPA and further converted into the neurotransmitters such as dopamine, norepinephrine, and epinephrine. It has also been used as a substrate in enzyme assays and in the synthesis of novel compounds.


L-Tyrosine hydrochloride (CAS 16870-43-2) References

  1. Inhibition of EGFR Overcomes Acquired Lenvatinib Resistance Driven by STAT3-ABCB1 Signaling in Hepatocellular Carcinoma.  |  Hu, B., et al. 2022. Cancer Res. 82: 3845-3857. PMID: 36066408
  2. Growth and characterization of a new semi organic NLO material: L-tyrosine hydrochloride  |  S. Natarajan, G. Shanmugam, S. A. Martin Britto Dhas. 2008. 43: 561-564.
  3. Synthesis, growth and characterization of l-tyrosine hydrochloride a semi-organic nonlinear optical crystal  |  P. Ilayabarathi a, J. Chandrasekaran b, P. Maadeswaran c. 2013. Optik. 124: 1125-1127.
  4. High-pressure Raman spectra and DFT calculations of l-tyrosine hydrochloride crystal  |  C.A.A.S.S. dos Santos a, J.O. Carvalho b, J.G. da Silva Filho c, J.L. Rodrigues d, R.J.C. Lima a, G.S. Pinheiro e, P.T.C. Freire c, P.F. Façanha Filho a. 2018. Physica B: Condensed Matter. 531: 35-44.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

L-Tyrosine hydrochloride, 1 g

sc-255248
1 g
$77.00

L-Tyrosine hydrochloride, 5 g

sc-255248A
5 g
$165.00