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Methionine

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Identification
Molecular formula
C5H11NO2S
CAS number
63-68-3
IUPAC name
2-[(2-methyl-2-sulfanyl-propanoyl)amino]-3-sulfanyl-propanoic acid
State
State

At room temperature, methionine is a crystalline solid, which is typically stable and non-volatile.

Melting point (Celsius)
281.00
Melting point (Kelvin)
554.15
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
149.21g/mol
Molar mass
149.2110g/mol
Density
1.3400g/cm3
Appearence

Methionine typically appears as a white crystalline powder. It is an essential amino acid with a distinct sulfur odor.

Comment on solubility

Solubility of 2-[(2-methyl-2-sulfanyl-propanoyl)amino]-3-sulfanyl-propanoic acid (C5H11NO2S)

The solubility of 2-[(2-methyl-2-sulfanyl-propanoyl)amino]-3-sulfanyl-propanoic acid is influenced by several factors associated with its chemical structure. This compound encompasses both hydrophilic and hydrophobic characteristics due to the presence of amino and sulfenyl functional groups. Here are some key points regarding its solubility:

  • Polar Functional Groups: The amino group (-NH2) and carboxylic acid group (-COOH) enhance water solubility, enabling hydrogen bonding with water molecules.
  • Hydrophobic Regions: The presence of the alkyl chain, particularly the 2-methyl-2-sulfanyl component, introduces hydrophobic characteristics that may limit solubility in aqueous environments.
  • pH Dependence: The solubility can be pH-dependent, as the carboxylic acid group can dissociate into anionic form in basic conditions, thereby increasing its solubility in alkaline solutions.
  • Temperature Effects: As with many compounds, an increase in temperature generally leads to higher solubility; thus, heating may enhance dissolution in solvents.

In conclusion, while 2-[(2-methyl-2-sulfanyl-propanoyl)amino]-3-sulfanyl-propanoic acid exhibits some favorable properties for solubility in polar solvents, its hydrophobic characteristics can pose challenges. Notably, the precise solubility can vary based on environmental conditions, such as pH and temperature.

Interesting facts

Interesting Facts about 2-[(2-methyl-2-sulfanyl-propanoyl)amino]-3-sulfanyl-propanoic acid

This intriguing compound, known for its unique structure and properties, is a fascinating subject of study in the field of organic and medicinal chemistry. Here are some key points that highlight its significance:

  • Structural Complexity: The compound features a combination of sulfanyl groups which contribute to its reactivity and potential biological activity. This structural complexity makes it an interesting candidate for research into novel therapeutic agents.
  • Biological Importance: Compounds containing sulfanyl (thiol) groups often exhibit important biological roles, including antioxidant activity. Research indicates that such compounds can interact with biological molecules, influencing enzymatic reactions.
  • Potential Applications: This compound may be investigated in the context of drug development. Thiol-containing compounds are known for their ability to interact with various biomolecular targets, making them relevant in pharmaceutical research.
  • Analytical Techniques: Understanding the properties of this compound often involves the use of advanced analytical methods such as NMR (Nuclear Magnetic Resonance) spectroscopy and mass spectrometry, which provide insights into its molecular structure and behavior.
  • Environmental Considerations: As research on thiolated compounds grows, so does the awareness of their potential environmental implications, including their roles in biochemical cycles and as pollutants.

This compound not only represents a unique blend of sulfur chemistry but also opens avenues for potential innovation in various fields such as pharmaceuticals, environmental science, and biochemistry. Its diverse applications and intriguing chemical behavior make it an essential topic of exploration for students and researchers alike.

As one scholar aptly put it, "The study of unusual compounds often yields the most rewarding discoveries."

Synonyms
130999-92-7
2-[(2-methyl-2-sulfanylpropanoyl)amino]-3-sulfanylpropanoic acid
Bucillamine [INN:JAN]
N-(2-Mercapto-2-methylpropionyl)-DL-cysteine
(2R)-2-(2-METHYL-2-SULFANYLPROPANAMIDO)-3-SULFANYLPROPANOIC ACID
n-(2-methyl-2-sulfanylpropanoyl)cysteine
DE019; SA96;Thiobutarit;Rimatil.
NCGC00182062-02
SCHEMBL522713
DTXSID20860805