Tyrosine

C₉H₁₁NO₃

IUPAC: (2S)-2-Amino-3-(4-hydroxyphenyl)propanoic acid

CAS: 60-18-4

Overview

Tyrosine is a non-essential amino acid and precursor to dopamine, adrenaline, noradrenaline, and melanin. Its name comes from the Greek 'tyros' (cheese).

Composition

Element	Symbol	Atoms	Atomic Mass
Hydrogen	H	11	1.0080
Carbon	C	9	12.0110
Nitrogen	N	1	14.0070
Oxygen	O	3	15.9990

Elemental Composition

Hydrogen ×11

6.1%

Carbon ×9

59.7%

Nitrogen ×1

7.7%

Oxygen ×3

26.5%

Uses

• Dietary supplement
• Pharmaceutical
• Melanin precursor

Fun Facts

✦ First isolated from cheese casein in 1846, hence its name from Greek 'tyros'

Structure

SMILES

C1=CC(=CC=C1CC(C(=O)O)N)O

Properties

Type: organic
State: solid
Molar Mass: 181.19 g/mol
Density: 1.4560 g/cm³
Melting Point: 343.0 °C
Solubility: 0.45 g/L at 25°C

Molecular Descriptors

Exact Mass: 181.0739
XLogP: -2.3
TPSA: 83.6 Å²
H-Bond Donors: 3
H-Bond Acceptors: 4
Rotatable Bonds: 3
Heavy Atoms: 13
Complexity: 176.0

Related Compounds

1,2-Dichloroethane

C₂H₄Cl₂

1,3-Butadiene

C₄H₆

1,4-Dioxane

C₄H₈O₂

1-Butanol

C₄H₁₀O

2-Propanol

C₃H₈O

Acetaldehyde

CH₃CHO

Acetamide

C₂H₅NO

Acetic Anhydride

C₄H₆O₃

Acetone

(CH₃)₂CO

Acetonitrile

C₂H₃N

Frequently Asked Questions

What is Tyrosine?

Tyrosine (C₉H₁₁NO₃) is a organic compound with the IUPAC name (2S)-2-Amino-3-(4-hydroxyphenyl)propanoic acid.

What is the molecular weight of Tyrosine?

Tyrosine has a molar mass of 181.19 g/mol.

What state is Tyrosine at room temperature?

Tyrosine is a solid at room temperature.

Is Tyrosine organic or inorganic?

Tyrosine is classified as an organic compound.

What elements make up Tyrosine?

Tyrosine (C₉H₁₁NO₃) is composed of Hydrogen (H), Carbon (C), Nitrogen (N), Oxygen (O).