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914251-03-9

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914251-03-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 914251-03-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,4,2,5 and 1 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 914251-03:
(8*9)+(7*1)+(6*4)+(5*2)+(4*5)+(3*1)+(2*0)+(1*3)=139
139 % 10 = 9
So 914251-03-9 is a valid CAS Registry Number.

914251-03-9Relevant articles and documents

Achieving conformational control over C-C, C-N and C-O bonds in biaryls, N,N′-diarylureas and diaryl ethers: Advantages of a relay axis

Betson, Mark S.,Bracegirdle, Ann,Clayden, Jonathan,Helliwell, Madeleine,Lund, Andrew,Pickworth, Mark,Snape, Timothy J.,Worrall, Christopher P.

, p. 754 - 756 (2007/10/03)

The orientation of Ar-C, Ar-N and Ar-O bonds in biaryls, N,N′-diarylureas and diaryl ethers (whose conformers are distinguishable by NMR) may be controlled with a selectivity up to >95: 5 by an adjacent stereogenic centre; the selectivity may be greater when a second stereogenic axis is inserted between the controlling centre and the slowly rotating bond. The Royal Society of Chemistry.

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