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1289448-66-3

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1289448-66-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1289448-66-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,9,4,4 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1289448-66:
(9*1)+(8*2)+(7*8)+(6*9)+(5*4)+(4*4)+(3*8)+(2*6)+(1*6)=213
213 % 10 = 3
So 1289448-66-3 is a valid CAS Registry Number.

1289448-66-3Downstream Products

1289448-66-3Relevant articles and documents

A Nickel-catalyzed benzannulation approach to aromatic boronic esters

Auvinet, Anne-Laure,Harrity, Joseph P. A.

, p. 2769 - 2772 (2011/05/04)

Off and on: A nickel-catalyzed benzannulation of alkynylboronates provides functionalized phenols with high levels of chemo- and regioselectively. While transmetalation of organoboron intermediate to organonickel does not occur during cycloaddition, it is "switched on" by addition of base, thus allowing a one-pot benzannulation and cross-coupling to be realized (see scheme; Pin=pinacolato, Ms=mesyl). Copyright

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