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S-Ethyl-L-cysteine

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Identification
Molecular formula
C5H11NO2S
CAS number
1115-94-6
IUPAC name
2-amino-3-ethylsulfanyl-propanoic acid
State
State

At room temperature, S-ethyl-L-cysteine is in a solid state. It is stable and does not easily decompose under normal conditions.

Melting point (Celsius)
226.00
Melting point (Kelvin)
499.15
Boiling point (Celsius)
330.00
Boiling point (Kelvin)
603.15
General information
Molecular weight
163.22g/mol
Molar mass
163.2470g/mol
Density
1.2172g/cm3
Appearence

S-ethyl-L-cysteine is a colorless crystalline solid. When pure, it typically appears in the form of fine, transparent crystals. It may also have a characteristic odor due to the presence of sulfur.

Comment on solubility

Solubility of 2-amino-3-ethylsulfanyl-propanoic acid

2-amino-3-ethylsulfanyl-propanoic acid, often referred to as a thiol-containing amino acid, exhibits intriguing solubility characteristics that are essential for its applications in biological systems. Here are some key points regarding its solubility:

  • Water Solubility: This compound is generally expected to be soluble in water due to its polar amino group and carboxylic acid group, which can engage in hydrogen bonding with water molecules.
  • Effect of pH: The solubility of 2-amino-3-ethylsulfanyl-propanoic acid may vary significantly with changes in pH, particularly because of the ionization of the carboxylic acid group at higher pH levels.
  • Organic Solvents: It may have reduced solubility in non-polar organic solvents, making it predominantly hydrophilic rather than lipophilic, which is typical for amino acids.
  • Concentration Factors: At higher concentrations, the solubility might decrease due to intermolecular attractions such as self-association or precipitation into less soluble forms.

In summary, the solubility of 2-amino-3-ethylsulfanyl-propanoic acid is influenced by its chemical structure and environmental conditions. As quoted in various studies, "the balance of hydrophilic and hydrophobic interactions plays a crucial role in determining the solubility of thiol-containing compounds." Understanding these solubility patterns is vital for predicting its behavior in chemical and biological systems.

Interesting facts

Interesting Facts About 2-amino-3-ethylsulfanyl-propanoic acid

2-amino-3-ethylsulfanyl-propanoic acid, also known for its intriguing structure and functions, is a compound that showcases the fascinating world of amino acids and their derivatives. Here are some compelling aspects of this compound:

  • Essential Building Block: As a member of the amino acids family, it plays a critical role as a building block in protein synthesis. Amino acids are vital for various metabolic processes and biological functions.
  • Unique Sulfur Group: The presence of the sulfanyl group (-SH) in its structure gives this compound unique properties, influencing its reactivity and interactions with other molecules.
  • Potential Applications: Compounds like 2-amino-3-ethylsulfanyl-propanoic acid are often explored in medicinal chemistry for their potential therapeutic roles, particularly in neurochemistry and metabolic pathways.
  • Biological Importance: This compound may be involved in various biological processes, particularly in the synthesis of other important biomolecules, highlighting its significance in biochemical research.
  • Research Interest: Ongoing studies continue to reveal the various roles of sulfur-containing compounds in living organisms, making this particular amino acid a topic of interest in both organic and medicinal chemistry.

In summary, 2-amino-3-ethylsulfanyl-propanoic acid stands out not just for its chemical composition but also for its potential implications in health, biochemistry, and industry. As a scientist or student, delving deeper into such compounds opens doors to new discoveries and applications in the vast field of chemistry.

Synonyms
NSC49244
2-amino-3-ethylsulfanylpropanoic acid
NSC-49244
S-Ethyl-DL-cysteine
SCHEMBL685448
CHEMBL1978461
SCHEMBL11218155
AKOS000168838
2-amino-3-ethylsulfanyl-propanoic acid
NCI60_004182