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178425-56-4

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178425-56-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 178425-56-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,4,2 and 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 178425-56:
(8*1)+(7*7)+(6*8)+(5*4)+(4*2)+(3*5)+(2*5)+(1*6)=164
164 % 10 = 4
So 178425-56-4 is a valid CAS Registry Number.

178425-56-4Relevant articles and documents

Synthesis of functionalized cyclopropylboronic esters based on a 1,2-metallate rearrangement of cyclopropenylboronate

Mizoguchi, Haruki,Seriu, Masaya,Sakakura, Akira

, p. 15545 - 15548 (2020)

A procedure converting tribromocyclopropane to densely functionalized β-selenocyclopropylboronic ester using the 1,2-metallate rearrangement of a boron ate-complex has been developed. Treatment of an in situ-generated cyclopropenylboronic ester ate-complex with phenylselenenyl chloride triggered stereospecific rearrangement to produce functionalized cyclopropanes. DFT calculations for 1,2-metallate rearrangement suggested that the reaction proceeds through a seleniranium intermediate. This journal is

Regioselective carbon-carbon bond cleavage in the oxidation of cyclopropenylcarbinols

Basheer, Ahmad,Mishima, Masaaki,Marek, Ilan

supporting information; experimental part, p. 4076 - 4079 (2011/10/04)

The strained double bond of cyclopropenylcarbinols undergoes a facile oxidation reaction to lead to unsaturated carbonyl derivatives. The distribution of the formed products depends on the relative stability of carbon-centered radical species, and the Sha

gem-Dihalocyclopropane formation by iron/copper activation of tetrahalomethanes in the presence of nucleophilic olefins. Evidence for a carbene pathway

Léonel, Eric,Lejaye, Michael,Oudeyer, Sylvain,Paugam, Jean Paul,Nédélec, Jean-Yves

, p. 2635 - 2638 (2007/10/03)

The activation of CBr4 and CCl4 by a bimetallic iron/copper couple in acetonitrile is a new, inexpensive, nontoxic and efficient procedure for gem-dibromo- and gem-dichloromethylenation of nucleophilic alkenes. This new route to gem-dihalocyclopropanes involves dihalocarbene species.

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