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29781-80-4 ,Octyl a-D-glucopyranoside,CAS:29781-80-4

29781-80-4 ,Octyl a-D-glucopyranoside,
CAS:29781-80-4
C14H28O6 / 292.37
MFCD00070008

Octyl a-D-glucopyranoside

正辛基-a-D-葡萄糖苷

The enzyme alcohol dehydrogenase, which is located in the cytosol of cells, catalyzes the conversion of ethanol to acetaldehyde. In this reaction, a hydrogen ion (H+) is abstracted from ethanol and two electrons (e-) are added to the molecule. The addition of these electrons results in the formation of a hydrogen bond between the alcohol and an electron-donating species such as water or octyl glucopyranoside. Octyl glucopyranoside is a detergent that has been used as a substrate for measuring rates of alcohol dehydrogenase. This detergent also has been shown to be effective at removing glycol ethers from biological samples. The biochemical research on octyl glucopyranoside includes its use as an equilibrative nucleoside and its effect on bowel disease.

Octyl alpha-D-glucopyranoside is a non-ionic detergent that is widely utilized for solubilizing membrane proteins and studying their structures. It is a surfactant molecule that belongs to the alkyl glucopyranoside family with a hydrophobic chain of eight-carbon atoms and a hydrophilic glucopyranose head. The detergent has a wide range of applications in biochemical and biophysical research, and it has been used to study various proteins of biochemical importance.

Definition and background:

Octyl alpha-D-glucopyranoside (OAG) has a chemical formula of C14H28O6 and a molecular weight of 292.37 g/mol. It is a non-ionic surfactant that belongs to the alkyl glucopyranoside family, which includes detergents that have a hydrophobic alkyl chain attached to a hydrophilic glucopyranose head. OAG is produced by reacting beta-D-glucose with octanol, catalyzed by an acid catalyst, typically sulfuric acid. The reaction leads to the formation of a mixture of anomers (alpha and beta), which is typically resolved to obtain pure alpha-anomer (Audette and Anantharamiah, 2003).

Physical and Chemical Properties:

Octyl alpha-D-glucopyranoside is a white to off-white powder with a sweet taste. It is soluble in water and has a cloud point of 56°C. Its critical micelle concentration (CMC) is 0.9 mM, and it has a molecular weight of 316.37 g/mol. OAG is chemically stable and does not degrade under normal conditions.

Synthesis and Characterization:

The synthesis of octyl alpha-D-glucopyranoside is typically carried out in the presence of an acid catalyst. The reaction yields a mixture of alpha and beta anomers, which are separated to obtain the pure alpha-anomer (Audette and Anantharamiah, 2003). The purity of the detergent is assessed through physical and chemical characterization techniques such as melting point determination, nuclear magnetic resonance (NMR) spectroscopy, and high-performance liquid chromatography (HPLC).

Analytical Methods:

Several analytical methods are used to study OAG, including HPLC, NMR, and mass spectroscopy (MS). HPLC is typically used for OAG purification and quantification, and NMR is used for structural elucidation. MS can also be used for the identification and quantification of OAG.

Biological Properties:

Octyl alpha-D-glucopyranoside is a mild detergent that can solubilize membrane proteins without significantly disrupting their native structure and function. The detergent has a low critical micelle concentration (CMC), which makes it an effective solubilizer for a wide range of proteins (Moraes et al., 2014). OAG has been shown to be particularly useful for solubilizing and stabilizing G protein-coupled receptors (GPCRs), which play a critical role in cell signaling and are implicated in many diseases such as cancer, diabetes, and neurodegenerative disorders.

Toxicity and Safety in Scientific Experiments:

Octyl alpha-D-glucopyranoside is generally considered to be a safe detergent for use in scientific experiments. The detergent has a low toxicity profile, and it is not known to cause significant adverse effects in animals or humans. However, it is essential to use OAG in recommended concentrations and to avoid exposing it to sensitive tissues and organs.

Applications in Scientific Experiments:

Octyl alpha-D-glucopyranoside has a wide range of applications in biochemical and biophysical research. It is particularly useful in the study of membrane proteins, which are notoriously difficult to solubilize and study due to their hydrophobic nature. OAG has been used to study various membrane proteins, including GPCRs, ion channels, and transporters. The detergent has also been used in structural biology, where it is used to prepare protein crystals for X-ray crystallographic studies (Liu et al., 2021).

Current State of Research:

The use of octyl alpha-D-glucopyranoside as a solubilizer for membrane proteins is a rapidly growing field of research. Recent advances in the field have included the development of new OAG derivatives with improved solubility and membrane protein-stabilizing properties. Additionally, there has been a focus on developing new analytical techniques for studying membrane proteins solubilized with OAG.

Potential Implications in Various Fields of Research and Industry:

The development of new OAG derivatives and the use of OAG in the study of membrane proteins have broad implications in various fields of research and industry. In biotechnology, the use of OAG is critical in the production of membrane proteins for use in drug discovery and development. In the pharmaceutical industry, the study of GPCRs, solubilized with OAG, can lead to the development of new drugs for various diseases, including cancer, diabetes, and neurodegenerative disorders (Bahar et al., 2021).

Limitations and Future Directions:

Despite its many advantages, the use of octyl alpha-D-glucopyranoside is not without its limitations. One major limitation is its low solubility in organic solvents, limiting its use in certain applications. Future research in the field should focus on the development of new derivatives to overcome the low solubility problem and improve its efficacy in various applications. Other future directions include the development of new methods for solubilizing and studying other types of membrane proteins, as well as novel analytical techniques for studying the structural and functional properties of membrane proteins solubilized with OAG.

Conclusion:

Octyl alpha-D-glucopyranoside is a versatile detergent with a wide range of applications in biochemical and biophysical research. Its unique properties as a solubilizer for membrane proteins have opened up new avenues for studying and understanding these critical biomolecules. Although there are some limitations to its use, the ongoing research on OAG and its derivatives is likely to lead to new and innovative solutions for the challenges encountered in studying membrane proteins.

CAS Number29781-80-4
Product NameOctyl alpha-D-glucopyranoside
IUPAC Name(2R,3S,4S,5R,6S)-2-(hydroxymethyl)-6-octoxyoxane-3,4,5-triol
Molecular FormulaC14H28O6
Molecular Weight292.37 g/mol
InChIInChI=1S/C14H28O6/c1-2-3-4-5-6-7-8-19-14-13(18)12(17)11(16)10(9-15)20-14/h10-18H,2-9H2,1H3/t10-,11-,12+,13-,14+/m1/s1
InChI KeyHEGSGKPQLMEBJL-RGDJUOJXSA-N
SMILESCCCCCCCCOC1C(C(C(C(O1)CO)O)O)O
Synonyms1-O-n-octyl-beta-D-glucopyranoside, beta-octyl-D-glucoside, beta-octylglucopyranoside, N-octyl-beta-D-glucopyranoside, octyl glucoside, octyl-alpha-D-glucoside, octyl-beta-D-glucoside, octyl-D-glucoside, (alpha)-isomer, octylglucopyranoside, octylglucoside
Canonical SMILESCCCCCCCCOC1C(C(C(C(O1)CO)O)O)O
Isomeric SMILESCCCCCCCCO[C@@H]1[C@@H]([C@H]([C@@H]([C@H](O1)CO)O)O)O
CAS No: 29781-80-4 Synonyms: N-Octyl a-Glucoside MDL No: MFCD00070008 Chemical Formula: C14H28O6 Molecular Weight: 292.37


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