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Cysteine

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Identification
Molecular formula
C6H11NO2S
CAS number
52-90-4
IUPAC name
3-(2-amino-2-carboxy-ethyl)sulfanylbutanoic acid
State
State

At room temperature, cysteine exists as a solid.

Melting point (Celsius)
240.00
Melting point (Kelvin)
513.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
121.16g/mol
Molar mass
121.1580g/mol
Density
1.4600g/cm3
Appearence

Cysteine is a white crystalline solid. It is typically found in a granular or powdered form and is known to form plate-like crystals. This amino acid has a slightly sweet taste.

Comment on solubility

Solubility of 3-(2-amino-2-carboxy-ethyl)sulfanylbutanoic acid

3-(2-amino-2-carboxy-ethyl)sulfanylbutanoic acid, commonly known as a thiol derivative, exhibits notable solubility characteristics that are worth discussing in detail. This compound is relatively soluble in polar solvents, primarily due to the presence of functional groups capable of hydrogen bonding.

  • Solvent compatibility: It shows good solubility in water, which is attributed to:
    • The carboxylic acid group (-COOH) that can ionize, facilitating interactions with water molecules
    • The amino group (-NH2) that can form hydrogen bonds with water
    • The ethyl side chain increases the polarity of the molecule, enhancing solubility in aqueous environments
  • Alcohol solubility: This compound is also soluble in alcohols such as methanol and ethanol, which share similar polar characteristics.

While 3-(2-amino-2-carboxy-ethyl)sulfanylbutanoic acid shows limited solubility in non-polar solvents, it’s clear that its overall solubility profile allows for greater versatility in chemical reactions. As noted, "the more polar the environment, the greater the solubility," which holds true for this compound. Understanding these solubility traits is crucial for applications in biochemical analysis and synthesis.

Interesting facts

Interesting Facts about 3-(2-amino-2-carboxy-ethyl)sulfanylbutanoic acid

3-(2-amino-2-carboxy-ethyl)sulfanylbutanoic acid, commonly referred to by its more approachable name, is an intriguing compound with various applications in biochemistry and nutrition. Below are some interesting highlights about this compound:

  • Biochemical Role: This compound plays a critical role in the synthesis of peptides and proteins. Its structure allows it to serve as a building block, contributing to the overall functionality of biological molecules.
  • Supplemental Significance: It is often included in dietary supplements aimed at enhancing muscle recovery and promoting overall health, especially in athletes.
  • Amino Acid Derivative: This compound can be considered a derivative of amino acids, enriched with both carboxyl and amino groups, making it integral to metabolic processes.
  • Mechanistic Interest: Researchers are particularly interested in its potential mechanisms within cellular signaling pathways, shedding light on how it may influence growth and repair.
  • Potential Therapeutics: Preliminary studies suggest that this compound may hold promise for therapeutic uses, particularly in amino acid replacement therapies.

In conclusion, 3-(2-amino-2-carboxy-ethyl)sulfanylbutanoic acid exemplifies the fascinating world of biochemically significant compounds. Its versatile roles and potential health benefits make it a key subject of study for scientists and health enthusiasts alike. As scientists continue to explore its properties, we can anticipate even greater insights into this remarkable compound.

Synonyms
S-(2-CARBOXY-1-METHYLETHYL)-L-CYSTEINE
21861-11-0
S-(2-carboxyisopropyl)cysteine
DTXSID10944466
3-[(2-amino-2-carboxyethyl)sulfanyl]butanoic acid