Thyronine

L-Thyronine
Names
	IUPAC name O-(4-Hydroxyphenyl)-L-tyrosine
	Systematic IUPAC name (2S)-2-Amino-3-[4-(4-hydroxyphenoxy)phenyl]propanoic acid
	Other names 4-(4-Hydroxyphenoxy)-L-phenylalanine
Identifiers
CAS Number	1596-67-4 ;
3D model (JSmol)	Interactive image ;
ChEBI	CHEBI:30662 ;
ChemSpider	4574450 ;
ECHA InfoCard	100.014.986
PubChem CID	5461103 ;
UNII	E4QN8G00CV ;
CompTox Dashboard (EPA)	DTXSID801318222 ;
	InChI InChI=1S/C15H15NO4/c16-14(15(18)19)9-10-1-5-12(6-2-10)20-13-7-3-11(17)4-8-13/h1-8,14,17H,9,16H2,(H,18,19)/t14-/m0/s1 Key: KKCIOUWDFWQUBT-AWEZNQCLSA-N ; InChI=1/C15H15NO4/c16-14(15(18)19)9-10-1-5-12(6-2-10)20-13-7-3-11(17)4-8-13/h1-8,14,17H,9,16H2,(H,18,19)/t14-/m0/s1 Key: KKCIOUWDFWQUBT-AWEZNQCLBR;
	SMILES O=C(O)[C@@H](N)Cc2ccc(Oc1ccc(O)cc1)cc2;
Properties
Chemical formula	C15H15NO4
Molar mass	273.28 g/mol
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Last updated June 08, 2025

Thyronine is a metabolite derived from thyroxine and triiodothyronine via the peripheral enzymatic removal of iodines from the thyroxine nucleus. Thyronine is the thyroxine nucleus devoid of its four iodine atoms.^[1]

References

↑ Pubchem Compound summary, L-thyronine

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[1] Pubchem Compound summary, L-thyronine

[1]

v t e Thyroid hormone metabolic intermediates
Tyrosine / iodotyrosine	3-Iodotyrosine Diiodotyrosine
Thyronine / iodothyronine	3'-Monoiodothyronine 3,3'-Diiodothyronine 3,5-Diiodothyronine 3,3',5-Triiodothyronine (T₃) 3,3',5'-Triiodothyronine (Reverse T₃) 3,5,3',5'-Tetraiodothyronine (Thyroxine, T₄)
Thyronamine / iodothyronamine	3-Iodothyronamine 3,3',5-Triiodothyronamine
Iodothyroacetate / iodothyroacetic acid	Triiodothyroacetate (TRIAC)

Names


IUPAC name O-(4-Hydroxyphenyl)-L-tyrosine
Systematic IUPAC name (2S)-2-Amino-3-[4-(4-hydroxyphenoxy)phenyl]propanoic acid
Other names 4-(4-Hydroxyphenoxy)-L-phenylalanine
Identifiers
CAS Number	1596-67-4 ^Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:30662 ^Y
ChemSpider	4574450 ^Y
ECHA InfoCard	100.014.986
PubChem CID	5461103
UNII	E4QN8G00CV ^Y
CompTox Dashboard (EPA)	DTXSID801318222
InChI InChI=1S/C15H15NO4/c16-14(15(18)19)9-10-1-5-12(6-2-10)20-13-7-3-11(17)4-8-13/h1-8,14,17H,9,16H2,(H,18,19)/t14-/m0/s1^Y Key: KKCIOUWDFWQUBT-AWEZNQCLSA-N^Y InChI=1/C15H15NO4/c16-14(15(18)19)9-10-1-5-12(6-2-10)20-13-7-3-11(17)4-8-13/h1-8,14,17H,9,16H2,(H,18,19)/t14-/m0/s1 Key: KKCIOUWDFWQUBT-AWEZNQCLBR
SMILES O=C(O)[C@@H](N)Cc2ccc(Oc1ccc(O)cc1)cc2
Properties
Chemical formula	C₁₅H₁₅NO₄
Molar mass	273.28 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is ^YN ?) Infobox references