Cysteine

C₃H₇NO₂S

IUPAC: (2R)-2-Amino-3-sulfanylpropanoic acid

CAS: 52-90-4

概述

Cysteine is a sulfur-containing amino acid critical for protein structure through disulfide bonds. It is used in food processing and as a mucolytic agent.

组成

元素 符号 原子 原子质量
Hydrogen H 7 1.0080
Carbon C 3 12.0110
Nitrogen N 1 14.0070
Oxygen O 2 15.9990
Sulfur S 1 32.0600

元素组成

H
Hydrogen ×7
5.8%
C
Carbon ×3
29.7%
N
Nitrogen ×1
11.6%
O
Oxygen ×2
26.4%
S
Sulfur ×1
26.5%

用途

  • • Food processing (dough conditioner)
  • • Mucolytic drug (NAC)
  • • Cosmetics
  • • Antioxidant

趣味知识

  • ✦ Most commercial L-cysteine is extracted from human hair or produced by fermentation

Structure

SMILES

C(C(C(=O)O)N)S

属性

类型
organic
状态
solid
摩尔质量
121.16 g/mol
密度
1.3000 g/cm³
熔点
240.0 °C
溶解度
very soluble

Molecular Descriptors

Exact Mass
121.0197
XLogP
-2.5
TPSA
64.3 Ų
H-Bond Donors
3
H-Bond Acceptors
4
Rotatable Bonds
2
Heavy Atoms
7
Complexity
75.0

相关化合物

Caffeine

C₈H₁₀N₄O₂

Coumarin

C₉H₆O₂

Acetone

(CH₃)₂CO

Acrylic Acid

C₃H₄O₂

DDT

C₁₄H₉Cl₅

Alanine

C₃H₇NO₂

Diazepam

C₁₆H₁₃ClN₂O

Dichloromethane

CH₂Cl₂

Aniline Black

C₆H₇N

Butane

C₄H₁₀

Frequently Asked Questions

What is Cysteine?
Cysteine (C₃H₇NO₂S) is a organic compound with the IUPAC name (2R)-2-Amino-3-sulfanylpropanoic acid.
What is the molecular weight of Cysteine?
Cysteine has a molar mass of 121.16 g/mol.
What state is Cysteine at room temperature?
Cysteine is a solid at room temperature.
Is Cysteine organic or inorganic?
Cysteine is classified as an organic compound.
What elements make up Cysteine?
Cysteine (C₃H₇NO₂S) is composed of Hydrogen (H), Carbon (C), Nitrogen (N), Oxygen (O), Sulfur (S).