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117637-11-3

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117637-11-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117637-11-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,3 and 7 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 117637-11:
(8*1)+(7*1)+(6*7)+(5*6)+(4*3)+(3*7)+(2*1)+(1*1)=123
123 % 10 = 3
So 117637-11-3 is a valid CAS Registry Number.

117637-11-3Downstream Products

117637-11-3Relevant articles and documents

ELECTRONIC STRUCTURE AND REACTIVITY OF 1-OXASPIROALKANES

Kas'yan, L.I.,Gorb, L.G.,Galafeeva, M.F.,Stepanova, N.V.,Minaev, E.N.,Dryuk, V.G.

, p. 320 - 326 (2007/10/02)

The behavior of the epoxides of methylenecycloalkanes (1-oxaspiroalkanes) in reaction with methanol was studied.It was shown that the direction of the reaction depends on the nature of the medium; in an alkaline medium opening of the epoxide ring takes place regiospecifically according to the Krasuskii rule, and in an acidic medium it takes place mainly in the reverse direction.The reactivity of the epoxides and its dependence on the nature of the acyclic fragment were studied by quantum-chemical calculation and kinetic investigations.

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