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2-Iodo-1-methylpyridinium iodide is a chemical compound with the molecular formula C6H7IN2. It is a derivative of pyridine, an aromatic heterocyclic compound, where a methyl group is attached to the 1st carbon and an iodine atom is attached to the 2nd carbon. The compound is further characterized by the presence of an additional iodide ion, which associates with the positively charged pyridinium ring. This results in a zwitterionic structure, where the molecule has both a positive and a negative charge. 2-Iodo-1-methylpyridinium iodide is often used as a reagent in organic synthesis, particularly in reactions involving the formation of carbon-carbon bonds and as a precursor in the synthesis of various heterocycles. Its iodo and methyl substituents can influence the reactivity and selectivity of the pyridine ring, making it a valuable building block in the preparation of more complex molecules.

1668-06-0

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1668-06-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1668-06-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,6 and 8 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1668-06:
(6*1)+(5*6)+(4*6)+(3*8)+(2*0)+(1*6)=90
90 % 10 = 0
So 1668-06-0 is a valid CAS Registry Number.

1668-06-0Relevant academic research and scientific papers

KINETICS OF THE REACTIONS OF 2-HALOGENOPYRIDINIUM SALTS WITH PRIMARY AND SECONDARY AMINES IN ACETONITRILE

Litvinenko, L. M.,Titskii, G. D.,Mitchenko, E. S.

, p. 1731 - 1736 (2007/10/02)

The kinetics of the reactions of 2-halogeno-N-alkylpyridinium salts with primary and secondary aliphatic amines in acetonitrile at 25 deg C were investigated.The reactions obey second-order relationships.In the reaction of 2-bromo-N-ethylpyridinium bromide with aliphatic amines the effect of electronic and steric factors on the reactivity of the amines was examined.

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