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4010-25-7

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4010-25-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4010-25-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,1 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 4010-25:
(6*4)+(5*0)+(4*1)+(3*0)+(2*2)+(1*5)=37
37 % 10 = 7
So 4010-25-7 is a valid CAS Registry Number.

4010-25-7Relevant articles and documents

Directing group assisted copper-catalyzed chemoselective O-aroylation of phenols and enols using alkylbenzenes

Rout, Saroj Kumar,Guin, Srimanta,Banerjee, Arghya,Khatun, Nilufa,Gogoi, Anupal,Patel, Bhisma K.

supporting information, p. 4106 - 4109 (2013/09/12)

By using alkylbenzenes as aroyl surrogates, copper(II) catalyzed chemoselective O-aroylations of 1,3-dicarbonyl compounds and phenolic-OH ortho to carbonyl (-CHO,-COR) groups have been achieved. A dual mechanism operating in tandem for these transformations has been supported by a crossover experiment.

Epoxidation of Flavones by Dimethyldioxirane

Adam, Waldemar,Golsch, Dieter,Hadjiarapoglou, Lazaros

, p. 7292 - 7297 (2007/10/02)

The synthesis of epoxides 2 by epoxidation of flavones 1 with isolated dimethyldioxirane (as acetone solution) at subambient temperatures is reported.These labile epoxides were isolated and completely characterized by UV, IR, 1H and 13C NMR, MS, and C,H analyses.Warming to room temperature led to rearrangement to afford quantitatively the 3-hydroxyflavones 3b,h,i,n.Treatment of the epoxides 2b,f with methanol led to the 3-hydroxy-2-methoxyflavanones 4b,f, as a mixture of cis and trans isomers.

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