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L-Methionine

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Identification
Molecular formula
C5H11NO2S
CAS number
63-68-3
IUPAC name
(2R)-2-amino-3-methylsulfanyl-propanoic acid
State
State

At room temperature, L-Methionine is a solid.

Melting point (Celsius)
280.00
Melting point (Kelvin)
553.00
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

L-Methionine is a colorless to white crystalline powder or crystals.

Comment on solubility

Solubility of (2R)-2-amino-3-methylsulfanyl-propanoic acid

(2R)-2-amino-3-methylsulfanyl-propanoic acid, also known as methionine, is readily soluble in water due to its ionic and polar nature. The presence of an amino group (-NH2) and a carboxylic acid group (-COOH) enhances its ability to interact with water molecules. Here are some key points regarding its solubility:

  • Polar Nature: The ionic character brought in by the -NH2 and -COOH groups allows for favorable interactions with water.
  • Hydrophilic Functional Groups: The hydrophilic nature of these functional groups leads to strong hydrogen bonding with water molecules, which further enhances solubility.
  • Concentration Dependency: At higher concentrations, the solubility of (2R)-2-amino-3-methylsulfanyl-propanoic acid can be affected by the presence of other solutes or changes in temperature.

In general, amino acids like (2R)-2-amino-3-methylsulfanyl-propanoic acid exhibit high solubility in aqueous environments, which is essential for their biological functions in living organisms.

Interesting facts

Interesting Facts about (2R)-2-amino-3-methylsulfanyl-propanoic acid

(2R)-2-amino-3-methylsulfanyl-propanoic acid is an intriguing compound notable for several reasons:

  • Chiral Nature: This compound possesses a chiral center, allowing for isomeric forms that can exhibit different biological properties. The R configuration signifies its specific spatial arrangement, which can affect interaction with biological systems.
  • Role as a Building Block: It serves as a crucial building block in the synthesis of various pharmaceuticals and biologically active molecules. Its structure contributes to the functionality of peptides and proteins.
  • Biological Significance: The presence of the methylsulfanyl group suggests potential roles in biochemical pathways and its interactions can influence metabolic processes, showcasing the importance of sulfur-containing compounds in biology.
  • Versatile Applications: Due to its unique properties, this amino acid derivative can be utilized in areas such as drug design, agriculture, and as a supplement in nutrition, highlighting its versatility.
  • Research Potential: Ongoing studies into the compound's properties may reveal new therapeutic avenues or further elucidate the mechanisms of amino acids in biological systems.

This compound's structure and properties exemplify the complexity and beauty of organic chemistry, where minute changes can lead to profound differences in function and application.

Synonyms
S-Methyl-L-cysteine
1187-84-4
S-Methylcysteine
L-Cysteine, S-methyl-
ALANINE, 3-(METHYLTHIO)-, L-
CCRIS 1972
L-Methylcysteine
EINECS 214-701-6
NSC 15387
A34I1H07YM
CHEBI:45658
3-(methylthio)-L-alanine
(-)-S-Methyl-L-cysteine
S-METHYLCYSTEINE, L-
3-(METHYLTHIO)ALANINE
S-METHYL-(R)-CYSTEINE
NSC-15387
S-METHYL-L-CYSTEINE, (-)-
S-11C-methyl-L-cysteine
SMethylcysteine
LCysteine, Smethyl
LCysteine, Smethyl (9CI)
Alanine, 3(methylthio), L
L-Cysteine, S-methyl-(9CI)
Alanine, 3(methylthio), L (8CI)
Alanine, 3-(methylthio)-, L-(8CI)
(2R)-2-azaniumyl-3-methylsulfanylpropanoate
214-701-6
231-787-0
H-Cys(Me)-OH
S-methyl-cysteine
(2R)-2-amino-3-methylsulfanylpropanoic acid
(2R)-2-amino-3-(methylsulfanyl)propanoic acid
MFCD00002612
H-Cys(Me)-OH.HCl
CHEMBL394875
(R)-2-Amino-3-(methylmercapto)propionic acid
(R)-2-amino-3-(methylthio)propanoic acid
S-Methyl-DL-cysteine
UNII-A34I1H07YM
(2R)-2-azaniumyl-3-(methylsulfanyl)propanoate
S-methyl-l-cys
S-N-Methylcysteine
Cysteine,s-methyl-
SMLC
(1)-S-Methyl-L-cysteine
SCHEMBL110458
L-CH3SCH2CH(NH2)COOH
DTXSID50862579
HY-B2188
EINECS 243-203-1
BDBM50213729
s4786
AKOS000275785
CCG-266126
CS-7653
DB02216
FC72087
GS-3468
DB-298965
M0233
NS00069403
C22040
EN300-314842
BRD-K63123526-001-01-2
Q27093260
Z760035320
0DDF4489-1BF1-4858-9127-80A71A348EC8
S-Methyl-L-cysteine, substrate for methionine sulfoxide reductase A