Tyrosine (data page)

The complete data for Tyrosine

General information

Chemical formula: C₉H₁₁N O₃
Molar mass: 181.19 g·mol⁻¹
Systematic name:
(S)-2-Amino-3-(4-hydroxy-phenyl)-propanoic acid
Abbreviations: Y, Tyr
Synonyms:
none

Database data

SMILES: Oc1ccc(CC(N)C(=O)O)cc1
InChI=1/C9H11NO3/c10-8(9(12)13)5-6-1-3-7(11)4-2-6/h1-4,8,11H,5,10H2,(H,12,13)/f/h12H

ATC: N/A

CAS: 60-18-4

DrugBank: N/A

EINECS:
200-460-4 ^a

PubChem: 71098 (D)^a, 1153 (L)^a

Physical properties

Structure

Crystal data

Spectral data

UV-Vis

NMR

MS
- Masses of main fragments:
GMD MS Spectrum

Phase behavior

Solid properties

ρ_solid: 1.456 g.cm⁻³
T_m: 343 °C

Liquid properties

Gas properties

Hazard properties

MSDS N/A

Main hazards:

- N/A

NFPA 704

Flash point

- N/A

R/S statement

R: N/A
S: N/A

RTECS number:
N/A

Chemical properties

XLogP: -1.87

pI: 5.66

pK_a: 2.24, 9.04, 10.10

Tautomers: 2

Hydrogen bond: donor - 3; acceptor - 4

Pharmacological properties

Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

References

^a 200-460-4 EINECS for Tyrosine
^a CID 71098 from PubChem
^a CID 1153 from PubChem

The encoded amino acid

General topics

By properties

Aliphatic	Branched-chain amino acids (Valine Isoleucine Leucine) Methionine Alanine Proline Glycine

Aromatic	Phenylalanine Tyrosine Tryptophan Histidine

Polar, uncharged	Asparagine Glutamine Serine Threonine

Positive charge (pK_a)	Lysine (≈10.8) Arginine (≈12.5) Histidine (≈6.1)

Negative charge (pK_a)	Aspartic acid (≈3.9) Glutamic acid (≈4.1) Cysteine (≈8.3) Tyrosine (≈10.1)

Other classifications

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