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Fluorchlorphosphorsaeure-phenylester, also known as phenyl fluorochlorophosphate, is a chemical compound with the formula C6H4ClFOP. It is an organophosphorus compound that belongs to the class of nerve agents, which are highly toxic and can disrupt the nervous system by inhibiting the enzyme acetylcholinesterase. This inhibition leads to the accumulation of acetylcholine, causing overstimulation of muscles and nerves, potentially leading to seizures, respiratory failure, and death. Phenyl fluorochlorophosphate is a colorless, oily liquid that is soluble in organic solvents but not in water. Due to its extreme toxicity and potential use in chemical warfare, it is strictly regulated and controlled under various international conventions.

658-34-4

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658-34-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 658-34-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,5 and 8 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 658-34:
(5*6)+(4*5)+(3*8)+(2*3)+(1*4)=84
84 % 10 = 4
So 658-34-4 is a valid CAS Registry Number.

658-34-4Relevant academic research and scientific papers

Fluorination of organodichlorophosphorus compounds with sodium hexafluorosilicate, Part 1 1a

Farooq, Omar

, p. 839 - 840 (1998)

Sodium hexafluorosilicate was used as a source of fluoride ion for nucleophilic fluorination of some selected organodichlorophosphorus compounds in the presence and absence of a multifunctional ethereal solvent, giving fluoro derivatives in low to moderat

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