Tryptophan

C₁₁H₁₂N₂O₂

IUPAC: (S)-2-Amino-3-(1H-indol-3-yl)propanoic acid

CAS: 73-22-3

概述

Tryptophan is an essential amino acid that the body cannot synthesize. It is the biosynthetic precursor to serotonin (the 'happy molecule') and melatonin (the 'sleep hormone'). It is the least abundant amino acid in most proteins.

组成

元素 符号 原子 原子质量
Hydrogen H 12 1.0080
Carbon C 11 12.0110
Nitrogen N 2 14.0070
Oxygen O 2 15.9990

元素组成

H
5.9%
C
64.7%
N
13.7%
O
15.7%

用途

  • Serotonin and melatonin precursor
  • Dietary supplement (sleep aid)
  • Animal feed additive
  • Niacin (vitamin B3) precursor

趣味知识

  • Turkey contains tryptophan, but the post-Thanksgiving drowsiness is more likely from overeating than tryptophan

安全性

  • ⚠ Generally safe at dietary levels
  • ⚠ High-dose supplements may interact with SSRI medications

Structure

SMILES

C1=CC=C2C(=C1)C(=CN2)CC(C(=O)O)N

属性

类型
organic
状态
solid
摩尔质量
204.23 g/mol
密度
1.3400 g/cm³
熔点
289.0 °C
溶解度
11.4 g/L at 25°C

Molecular Descriptors

Exact Mass
204.0899
XLogP
-1.1
TPSA
79.1 Ų
H-Bond Donors
3
H-Bond Acceptors
3
Rotatable Bonds
3
Heavy Atoms
15
Complexity
245.0

别名

L-Tryptophan Trp W

Frequently Asked Questions

What is Tryptophan?
Tryptophan (C₁₁H₁₂N₂O₂) is a organic compound with the IUPAC name (S)-2-Amino-3-(1H-indol-3-yl)propanoic acid.
What is the molecular weight of Tryptophan?
Tryptophan has a molar mass of 204.229 g/mol.
What state is Tryptophan at room temperature?
Tryptophan is a solid at room temperature.
Is Tryptophan organic or inorganic?
Tryptophan is classified as an organic compound.
What elements make up Tryptophan?
Tryptophan (C₁₁H₁₂N₂O₂) is composed of Hydrogen (H), Carbon (C), Nitrogen (N), Oxygen (O).