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Acetylthiocholine iodide CAS:1866-15-5

Acetylthiocholine iodide is a chemical compound commonly used in biochemical research as a substrate for the enzyme acetylcholinesterase. It is a derivative of acetylcholine with a sulfur atom substituted for the oxygen atom present in the parent compound. Acetylthiocholine iodide is extensively used in enzyme assays and studies involving cholinergic processes in the nervous system. Its iodide salt form enhances its solubility in aqueous solutions, making it easier to work with in laboratory settings.

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Application and Effect

Acetylthiocholine iodide is primarily used as a substrate to measure the activity of the enzyme acetylcholinesterase (AChE). AChE is responsible for breaking down the neurotransmitter acetylcholine in the nervous system. The addition of acetylthiocholine iodide to a reaction mixture containing AChE leads to the production of thiocholine and acetate.

The reaction can be detected by adding a colorimetric or fluorometric indicator that reacts specifically with thiocholine. The rate of color or fluorescence production is directly proportional to the activity of AChE in the sample. This makes acetylthiocholine iodide a valuable tool for measuring AChE activity in various biological samples, including tissues, cell cultures, and blood.

The measurement of AChE activity using acetylthiocholine iodide is widely applied in research studies related to cholinergic systems, neurodegenerative disorders, and exposure to certain chemicals or drugs that may affect AChE activity. It can also be used as a screening tool for detecting AChE inhibitors, which are of interest in drug development for diseases such as Alzheimer's and Parkinson's.

In addition to being used in enzymatic assays, acetylthiocholine iodide can also be used as a substrate for AChE-based biosensors. These biosensors are designed to detect and quantify the presence of certain substances that can inhibit AChE activity, such as organophosphate pesticides or nerve agents.

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Additional Information:

Composition C7H16INOS
Assay 99%
Appearance White powder
CAS No. 1866-15-5
Packing Small and bulk
Shelf Life 2 years
Storage Store in cool and dry area
Certification ISO.


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