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1429887-51-3

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1429887-51-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1429887-51-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,9,8,8 and 7 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1429887-51:
(9*1)+(8*4)+(7*2)+(6*9)+(5*8)+(4*8)+(3*7)+(2*5)+(1*1)=213
213 % 10 = 3
So 1429887-51-3 is a valid CAS Registry Number.

1429887-51-3Relevant articles and documents

Coupling and cyclization of O-iodoanilines and propargylic bromides via allenes: An efficient entry to indomethacin

Zhu, Can,Ma, Shengming

supporting information, p. 2782 - 2785 (2013/07/19)

A sequential allene synthesis and cyclization has been realized in a one-pot manner. A Pd(0)-catalyzed one-pot reaction of N-Ts or -Ms 2-iodoanilines and propargylic bromides afforded indoles with pharmaceutical importance highly efficiently with diversity via sequential carbon-carbon bond coupling forming allenes and azapalladation. With this newly established methodology, an efficient approach to indomethacin, an anti-inflammatory drug (NSAID), has been accomplished.

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