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Cysteine

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Identification
Molecular formula
C3H7NO2S
CAS number
52-90-4
IUPAC name
2-amino-4-(2-amino-2-carboxy-ethyl)sulfanyl-butanoic acid
State
State

At room temperature, cysteine is in a solid state, appearing as a crystalline powder.

Melting point (Celsius)
240.00
Melting point (Kelvin)
513.15
Boiling point (Celsius)
275.00
Boiling point (Kelvin)
548.15
General information
Molecular weight
121.16g/mol
Molar mass
121.1580g/mol
Density
1.3407g/cm3
Appearence

Cysteine typically appears as a white crystalline powder. It can be somewhat transparent and has a characteristic odor. This appearance is common for amino acids due to their crystalline nature.

Comment on solubility

Solubility of 2-amino-4-(2-amino-2-carboxy-ethyl)sulfanyl-butanoic acid (C3H7NO2S)

The solubility of 2-amino-4-(2-amino-2-carboxy-ethyl)sulfanyl-butanoic acid, also known as a derivative of a thiol and amino acid, is influenced by several factors due to its functional groups.

Key Factors Affecting Solubility:

  • Polar Functional Groups: The presence of amino (-NH2) and carboxylic acid (-COOH) groups enhances solubility in polar solvents, especially in water.
  • Hydrogen Bonding: The ability of the carboxylic group to form hydrogen bonds with water molecules increases its solubility, making the compound relatively soluble.
  • Chain Length: The overall structure contributes to solubility; larger and more branched structures often lead to lower solubility in non-polar solvents.

As a result, 2-amino-4-(2-amino-2-carboxy-ethyl)sulfanyl-butanoic acid is likely to exhibit good solubility in aqueous solutions, thereby facilitating its bioavailability and interaction with various biological systems. It's important to note that the temperature and pH of the solution can also significantly impact its solubility.

Conclusion:

In summary, the presence of polar functional groups and the capacity for hydrogen bonding strongly suggest that this compound is expected to be soluble in water, making it suitable for numerous applications in biochemistry and pharmaceuticals.

Interesting facts

Interesting Facts about 2-amino-4-(2-amino-2-carboxy-ethyl)sulfanyl-butanoic Acid

2-amino-4-(2-amino-2-carboxy-ethyl)sulfanyl-butanoic acid, commonly referred to as a derivative of a key amino acid, possesses several compelling characteristics that make it intriguing in the realm of biochemistry.

Key Characteristics

  • Structure & Composition: This compound features both amino and carboxylic functional groups, making it a fascinating example of an amino acid derivative.
  • Biological Functions: It plays a role in various biological processes, particularly in metabolic pathways and as a building block for proteins.
  • Potential Applications: Due to its unique structure, this compound may exhibit antioxidant properties and could be explored for its potential in pharmaceutical applications.

Furthermore, it’s noteworthy that the presence of sulfur in its structure allows for interesting redox chemistry, which could lead to significant implications in biochemical reactions. As a scientist or chemistry student, studying such compounds enhances our understanding of the complex interplay between structure and function in biochemical systems.

Quote from Research

Researchers emphasize that “the intricacies of amino acid derivatives showcase the elegance of biochemical architecture and its influence on biological behavior.”

Overall, this compound exemplifies the intricate nature of amino acids and their derivatives, inviting further exploration into its properties and potential uses.

Synonyms
cystathionine
535-34-2
DL-Cystathionine
D,L-Cystathionine
DL-Allocystathionine
cystathione
S-(2-amino-2-carboxyethyl)homocysteine
dl,dl-Allo-cystathionine
CHEBI:17755
2-amino-4-(2-amino-2-carboxyethyl)sulfanylbutanoic acid
2-amino-4-[(2-amino-2-carboxyethyl)sulfanyl]butanoic acid
Homocysteine, S-(2-amino-2-carboxyethyl)-
Cystathionine, DL-
cystathionin
S-(2-Amino-2-carboxyethyl)-homocysteine; DL-Allocystathionine
EINECS 208-613-7
dl-Allo-cystathionine
NSC 118379
Homocysteine,S-(2-amino-2-carboxyethyl)-
S-(2-Amino-2-carboxyethyl)-DL-homocysteine
DL-Homocysteine, S-(2-amino-2-carboxyethyl)-
SCHEMBL81860
CHEMBL209241
DTXSID50861587
Cystathionine, >=90% (HPLC)
HY-W009749A
MFCD00136759
NSC118379
AKOS003382514
AKOS017259249
FC20766
NSC-118379
(2-Amino-2-carboxyethyl)homocysteine #
DA-64228
LS-13328
CS-0095484
NS00014572
C00542
EN300-246200
G82415
Q935387
2-amino-4-(2-amino-2-carboxyethylthio)butanoic acid
98DC4DA1-F0CA-4AF2-9F85-DFA8C3B39303
2-Amino-4-((2-amino-2-carboxyethyl)thio)butanoic acid
S-(2-Amino-2-carboxyethyl)homocysteine;DL-Allocystathionine