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4-Chlorophenyl methylphosphonochloridate is an organophosphorus compound with the chemical formula C7H6Cl2O2P. It is a colorless to pale yellow liquid that is soluble in organic solvents. 4-chlorophenyl methylphosphonochloridate is primarily used as a chemical warfare agent, specifically as a nerve agent. It inhibits the enzyme acetylcholinesterase, which is crucial for the proper functioning of the nervous system. By blocking this enzyme, it leads to the accumulation of acetylcholine, causing overstimulation of muscles and nerves, ultimately leading to respiratory failure and death. Due to its high toxicity and potential for misuse, the production and stockpiling of 4-chlorophenyl methylphosphonochloridate are strictly controlled under international law, such as the Chemical Weapons Convention.

6619-50-7

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6619-50-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6619-50-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,1 and 9 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 6619-50:
(6*6)+(5*6)+(4*1)+(3*9)+(2*5)+(1*0)=107
107 % 10 = 7
So 6619-50-7 is a valid CAS Registry Number.

6619-50-7Relevant academic research and scientific papers

Electrophilic Catalysis in the Synthesis of Aryl Methyl- and Phenylphosphonochloridates

Goryunov,Goryunova,Molchanova,Kudryavtsev, I. Yu.,Baulina,Khodak,Strelkova,Brel

, p. 1776 - 1779 (2018)

The reaction of methyl- and phenylphosphonic dichlorides with phenols in the presence of anhydrous magnesium chloride as catalyst or magnesium metal as precatalyst provides a simple, efficient, and practical method of synthesis of the corresponding aryl m

Catalytic synthesis of O-aryl methyl(phenyl)phosphonochloridates

Brel,Goryunov,Molchanova,Goryunova,Kudryavtsev, I. Yu.,Baulina,Khodak,Strelkova,Nifant’ev

, p. 21 - 24 (2017/04/26)

The reaction of methyl- and phenyldichlorophosphonates with phenols in the presence of anhydrous magnesium chloride (catalyst) or magnesium metal (procatalyst) has been used as a simple, efficient, and industrially feasible method for the synthesis of the

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