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1244029-98-8

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1244029-98-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1244029-98-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,4,0,2 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1244029-98:
(9*1)+(8*2)+(7*4)+(6*4)+(5*0)+(4*2)+(3*9)+(2*9)+(1*8)=138
138 % 10 = 8
So 1244029-98-8 is a valid CAS Registry Number.

1244029-98-8Downstream Products

1244029-98-8Relevant articles and documents

Domino rhodium(I)-catalysed reactions for the efficient synthesis of substituted benzofurans and indoles

Boyer, Alistair,Isono, Naohiro,Lackner, Sebastian,Lautens, Mark

scheme or table, p. 6468 - 6482 (2010/10/03)

Rhodium(I) catalysts promote the transformation of o-alkynyl phenols and anilines to the corresponding benzo[b]furans and indoles. The reaction is postulated to proceed via a transient 3-rhodium heterocycle intermediate, which can be trapped with suitable electrophiles to give poly-substituted heterocycles. In the case of mono-substituted electron-withdrawn electrophiles, excellent yield and selectivity for conjugate addition versus Heck-Mizoroki reaction can be achieved. In the case of 2-alkynyl pyridine electrophiles, novel 2-(benzofuran-3-yl)vinylpyridines are formed.

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