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Methionine

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Identification
Molecular formula
C5H11NO2S
CAS number
63-68-3
IUPAC name
2-amino-4-methylsulfanyl-butanoic acid
State
State

Methionine is a solid at room temperature.

Melting point (Celsius)
281.00
Melting point (Kelvin)
554.00
Boiling point (Celsius)
1 545.00
Boiling point (Kelvin)
1 818.00
General information
Molecular weight
149.21g/mol
Molar mass
149.2110g/mol
Density
1.3400g/cm3
Appearence

Methionine appears as a white crystalline solid.

Comment on solubility

Solubility of 2-amino-4-methylsulfanyl-butanoic acid

The solubility of 2-amino-4-methylsulfanyl-butanoic acid (C5H11NO2S) is influenced by its molecular structure and polarity. This compound, often referred to as a thiol-containing amino acid, exhibits notable solubility characteristics:

  • Polarity: Due to the presence of an amino group (-NH2) and a carboxylic acid group (-COOH), 2-amino-4-methylsulfanyl-butanoic acid is polar.
  • Water Solubility: This polarity contributes to its good solubility in water, as polar compounds typically interact favorably with water molecules.
  • Solvents: It is likely to dissolve well in other polar solvents. However, its solubility in non-polar solvents is expected to be quite limited.

In general, when considering the solubility of amino acids and related compounds, one can often make the following observations:

  1. Compounds with hydroxy or amino groups tend to be more soluble in polar solvents.
  2. Formation of hydrogen bonds between the compound and the solvent significantly enhances solubility.
  3. On the other hand, increased hydrophobic groups can lead to decreased solubility.

Thus, the solubility of 2-amino-4-methylsulfanyl-butanoic acid highlights the role of functional groups in affecting its solvation behavior, making it a noteworthy compound in the realm of chemical solubility studies.

Interesting facts

Interesting Facts about 2-Amino-4-methylsulfanyl-butanoic Acid

2-Amino-4-methylsulfanyl-butanoic acid, commonly known as L-cysteine, is an important amino acid that offers numerous benefits and intriguing properties for both health and industrial applications.

Biological Importance

This compound plays a crucial role in various biological processes:

  • Protein Synthesis: L-cysteine is a building block of proteins, contributing to the structure and function of various enzymes.
  • Antioxidant Properties: It serves as a precursor to glutathione, one of the body's most powerful antioxidants, protecting cells from oxidative stress.
  • Detoxification: This amino acid aids in detoxifying harmful substances, making it vital for liver function.

Applications

The versatility of L-cysteine is reflected in its diverse applications:

  • Food Industry: It is often used as a food additive to enhance flavor and improve dough texture in baking.
  • Cosmetic Products: Due to its skin-rejuvenating properties, it is included in various skincare formulations.
  • Pharmaceuticals: It is used in medicine, particularly in treatments aimed at respiratory conditions, as it helps break down mucus.

Fascinating Fact

Interestingly, L-cysteine can be obtained from both animal and plant sources, but the synthetic version is often derived from fermentation processes, making it suitable for vegetarians and vegans!

Quote to Remember

One notable quote about amino acids says, “They are the foundation of life itself.” This underscores the importance of compounds like L-cysteine in the biological landscape.

In conclusion, whether you’re studying its biochemical significance or its practical applications, 2-amino-4-methylsulfanyl-butanoic acid exemplifies the fascinating intersection of chemistry and everyday life.

Synonyms
DL-METHIONINE
59-51-8
methionine
Racemethionine
Acimetion
Lobamine
Urimeth
Banthionine
Cynaron
Meonine
Mertionin
Metione
Pedameth
Dyprin
Neston
DL-Methioninum
2-amino-4-(methylthio)butanoic acid
(+-)-Methionine
D,L-methionine
Methionine, DL-
DL-2-Amino-4-(methylthio)butanoic acid
FEMA No. 3301
2-amino-4-methylsulfanylbutanoic acid
(+/-)-Methionine
Methionine dl-form
2-amino-4-(methylsulfanyl)butanoic acid
NSC 9241
2-Amino-4-(methylthio)butyric acid
MFCD00063096
Methilonin
Racemethionine [USAN]
CCRIS 3717
dl-methionin
DL-2-Amino-4-(methylthio)-butyric acid
alpha-Amino-gamma-methylmercaptobutyric acid
NSC-9241
EINECS 200-432-1
UNII-73JWT2K6T3
DL-2-Amino-4-(methylthio)butyric acid
73JWT2K6T3
26062-47-5
CHEBI:16811
alpha-Amino-gamma-(methylthio)butyric acid
AI3-18475
2-amino-4-methylsulfanyl-butanoic acid
DL-Methionine (Racemethionine)
7005-18-7
Racemethionine [USAN:USP:NF]
DTXSID9020821
(+/-)-2-Amino-4-(methylmercapto)butyric acid
2-Amino-4-methylthiobutanoic acid
NSC22946
2-Amino-4-(methylmercapto)butyric acid
NCGC00159431-02
DL-Methionine (JAN)
Racemethionine (USAN)
H-DL-Met-OH
.alpha.-Amino-.gamma.-methylmercaptobutyric acid
DL-METHIONINE [JAN]
(+/-)-Methionine-d4
Hmet
R-Methionine
Methionine, amorphous
Racemethionine (USAN:USP:NF)
RACEMETHIONINE (USP-RS)
RACEMETHIONINE [USP-RS]
Methionine DL-
Padameth
Petameth
Amurex
dl-Methionine; (2RS)-2-amino-4-(methylsulfanyl)butanoic acid
Metion
Methio-Form
Padameth (TN)
alpha-Amino-gamma-methylmercaptobutyric acid (VAN)
DL-Met
DL-2-Amino-4-methylthiobutanoic acid
Racemethionine, USAN
METHIONINE,L-
2-amino-4-(methylthio)-butyric acid
(.+-.)-Methionine
(.+/-.)-Methionine
Met248
DL-Methionine (Standard)
DL-Methionine, >=99%
SCHEMBL4225
DL-METHIONINE [FCC]
WLN: QVYZ2S1 -L
DTXCID50821
D,L-METHIONINE [FHFI]
DL-METHIONINE [MART.]
CHEMBL274119
DL-METHIONINE [WHO-DD]
DL-METHIONINE [WHO-IP]
H3CSCH2CH2CH(NH2)COOH
L-Methionine, non animal origin
METHIONINE DL-FORM [MI]
BDBM86195
FEMA 3301
HY-N0325R
NSC9241
DL-CH3SCH2CH2CH(NH2)COOH
DL-Methionine, 99%, FCC, FG
CAS_6137
DL-METHIONINE [EP IMPURITY]
HY-N0325
NSC_6137
NSC45689
TDA70961
ZBA70526
Tox21_111663
BBL009323
CAS_84815
DL-METHIONINE [EP MONOGRAPH]
DL-Methionine, >=99.0% (NT)
NSC_84815
NSC118113
NSC522406
s9344
STK802463
2-amino-4-(methylthio) butyric acid
AKOS000118924
AKOS016050523
DL-METHIONINUM [WHO-IP LATIN]
CCG-266195
DB13972
FM29234
NSC-118113
NSC-522406
CAS-59-51-8
Butyric acid, 2-amino-4-(methylthio)-
NCGC00159431-03
NCGC00159431-04
DS-16180
SY004418
L(-)-Amino-.gamma.-methylthiobutyric acid
DB-029693
DB-227226
.gamma.-Methylthio-.alpha.-aminobutyric acid
CS-0008889
M0463
NS00006428
EN300-17984
C01733
D04983
D72471
DL-Methionine, SAJ special grade, >=99.0%
DL-Methionine, Vetec(TM) reagent grade, 98%
L-.gamma.-Methylthio-.alpha.-aminobutyric acid
Z00115
AB00373904-02
Q180341
SR-01000944495
L-.alpha.-Amino-.gamma.-methylmercaptobutyric acid
SR-01000944495-1
BRD-A39515206-001-01-9
Z57127440
F0001-1544
C6115881-E914-4EA8-A21A-DCBF67783824
DL-Methionine, European Pharmacopoeia (EP) Reference Standard
Racemethionine, United States Pharmacopeia (USP) Reference Standard
(+/-)-2-Amino-4-(methylmercapto)butyric acid;DL-2-Amino-4-(methylthio)butanoic acid
33807-07-7
DL-Methionine, BioReagent, suitable for cell culture, suitable for insect cell culture, >=99%