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Cysteine

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Identification
Molecular formula
C3H7NO2S
CAS number
52-90-4
IUPAC name
2-acetamido-3-sulfanyl-propanoic acid
State
State

At room temperature, cysteine is typically found in the form of crystalline solid granules or powder. It is stable under normal conditions but should be stored in a dry environment.

Melting point (Celsius)
240.00
Melting point (Kelvin)
513.15
Boiling point (Celsius)
281.00
Boiling point (Kelvin)
554.15
General information
Molecular weight
121.16g/mol
Molar mass
121.1590g/mol
Density
1.5300g/cm3
Appearence

Cysteine is a white crystalline solid or powder when pure. It is colorless and has a distinct, sulfur-like odor due to the presence of the thiol group.

Comment on solubility

Solubility of 2-acetamido-3-sulfanyl-propanoic acid (C3H7NO2S)

2-acetamido-3-sulfanyl-propanoic acid, an intriguing compound, displays a unique solubility profile that can be influenced by various factors. The presence of functional groups in its structure leads to several considerations regarding its solubility:

  • Polar Properties: Due to the amide (–C(=O)N–) and carboxylic acid (–COOH) groups, the compound exhibits polarity, which generally enhances solubility in polar solvents such as water.
  • Sulfhydryl Group: The –SH (sulfanyl) group adds a distinctive characteristic, often promoting solubility in both aqueous and organic solvents, contributing to intermolecular interactions.
  • Temperature Dependence: Solubility may also vary with temperature; higher temperatures can facilitate the dissolution of polar compounds in solvents.

As with many compounds, the solubility is further influenced by the pH of the solution. The carboxylic acid group may ionize under certain conditions, significantly changing how well the compound dissolves:

  1. In acidic solutions, the compound may remain more neutral.
  2. In alkaline solutions, ionization occurs, potentially increasing solubility.

To summarize, 2-acetamido-3-sulfanyl-propanoic acid possesses the ability to dissolve in various mediums, with its solubility significantly altered by factors such as polar interactions, temperature, and pH. Understanding these elements can enhance practical applications where this compound may be utilized.

Interesting facts

Interesting Facts about 2-Acetamido-3-sulfanyl-propanoic acid

2-Acetamido-3-sulfanyl-propanoic acid, often referred to as a unique amino acid derivative, is a compound of significant interest in biological and medicinal chemistry. Here are some engaging facts about this intriguing compound:

  • Biological Role: This compound is known to play a role in various biological processes. The sulfanyl (or thiol) group can participate in redox reactions, making it a potential player in cellular signaling and metabolism.
  • Potential Therapeutic Applications: Researchers are exploring the therapeutic potential of this compound in treating conditions related to oxidative stress due to its unique structure and reactivity.
  • Analytical Chemistry: The presence of both the acetamido and sulfanyl groups makes this compound a subject of interest in analytical chemistry, particularly in the development of sensitive detection methods.
  • Chirality: The compound's structure suggests that it may exist in enantiomeric forms, providing fascinating avenues for studying stereochemistry and its effects on biological activity.
  • Environmental Relevance: Compounds like this are studied to understand their behavior and transformation in the environment, particularly concerning sulfur cycles and organic pollution.

In summary, 2-acetamido-3-sulfanyl-propanoic acid is more than just a chemical compound; it serves as a bridge between fundamental chemistry and its applications in health and environmental sciences. As noted by scientists, "Understanding these compounds unlocks new pathways in therapeutic research."

Synonyms
N-Acetyl-DL-cysteine
7218-04-4
2-acetamido-3-sulfanylpropanoic acid
2-Acetamido-3-mercaptopropanoic acid
2SPH1IMO2V
DL-Cysteine, N-acetyl-
MFCD00151956
2-Acetylamino-3-mercapto-propionic acid
cysteine, N-acetyl-
Acetyl-L-cysteine, from Non-animal source
Ac-D-Cys-OH
Ac-DL-Cys-OH
2-Acetylamino-3-mercaptopropionic Acid; N-Acetylcysteine
DTXSID8048105
Flumicil
MFCD00269768
DL-Acetylcysteine
L-Cysteine,
Sodium 2-acetamido-3-mercaptopropionate
2-acetamido-3-sulfanyl-propanoic acid
(s)-n-acetylcysteine
LNAC;NAC
UNII-2SPH1IMO2V
SCHEMBL5291
Acetylcysteine isomer impurity
WLN: SH1YVQMV1 -L
HSCH2CH(NHCOCH3)CO2H
CHEMBL145615
BDBM610685
CYSTEINE, N-ACETYL-, DL-
2-Acetamido-3-mercaptopropanoicacid
US10624871, Compound 21
EINECS 230-609-9
STL135991
STL454996
(Z)-N-(1-hydroxyethylidene)cysteine
AKOS002434507
AKOS017342892
2-acetylamino-3-mercapto propionic acid
NCGC00015086-03
AS-57272
NCI60_000255
SY009511
SY317365
CS-0071230
NS00009332
A11677
EN300-136669
F2173-0391
45F1315B-9604-4E8C-8048-902731179704
230-609-9