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1428064-54-3

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1428064-54-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1428064-54-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,8,0,6 and 4 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1428064-54:
(9*1)+(8*4)+(7*2)+(6*8)+(5*0)+(4*6)+(3*4)+(2*5)+(1*4)=153
153 % 10 = 3
So 1428064-54-3 is a valid CAS Registry Number.

1428064-54-3Relevant articles and documents

Facile preparation of unsymmetrical diaryl ethers from unsymmetrical diaryliodonium tosylates and phenols with high regioselectivity

Kakinuma, Yohji,Moriyama, Katsuhiko,Togo, Hideo

, p. 183 - 188 (2013/02/23)

Unsymmetrical diaryl ethers were efficiently obtained in good yields by the reactions of aryl(4-methoxyphenyl)iodonium tosylates with phenols, and aryl(2,4-dimethoxyphenyl)iodonium tosylates with phenols, in the presence of potassium carbonate in acetonitrile, respectively. The latter iodonium tosylates provided the corresponding unsymmetrical diaryl ethers in good yields with high regioselectivities, together with the quantitative formation of 1-iodo-2,4-dimethoxybenzene. Georg Thieme Verlag Stuttgart New York.

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