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227018-70-4

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227018-70-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 227018-70-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,0,1 and 8 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 227018-70:
(8*2)+(7*2)+(6*7)+(5*0)+(4*1)+(3*8)+(2*7)+(1*0)=114
114 % 10 = 4
So 227018-70-4 is a valid CAS Registry Number.

227018-70-4Relevant articles and documents

Oxidation of silyl enol ethers by using IBX and IBX·N-oxide complexes: A mild and selective reaction for the synthesis of enones

Nicolaou,Gray, David L. F.,Montagnon, Tamsyn,Harrison, Scott T.

, p. 996 - 1000 (2007/10/03)

α,β-Unsaturated carbonyl compounds can be prepared by the oxidation of trimethylsilyl enol ethers with IBX (1) or IBX·MPO (2). A diverse set of carbonyl compounds can be dehydrogenated with ease by using this method. Trimethylsilyl enol ethers such as 4, which are formed in situ by the addition of an organometallic species to an enone, can be dehydrogenated with 1 or 2 to give a functionalized enone (e. g. 3 → 5). IBX = iodoxybenzoic acid; MPO = 4-methoxypyridine-N-oxide.

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