Cysteine

C₃H₇NO₂S

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

CAS: 52-90-4

Ikhtisar

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.

Komposisi

Unsur Simbol Atom Massa Atom
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

Komposisi Elemental

C
29,7%
N
11,6%
O
26,4%
S
26,5%

Kegunaan

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

Fakta Menarik

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

Structure

SMILES

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

Sifat

Jenis
organic
Keadaan
solid
Massa Molar
121,16 g/mol
Kerapatan
1,3000 g/cm³
Titik Lebur
240,0 °C
Kelarutan
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

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).