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127841-16-1

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127841-16-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127841-16-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,8,4 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 127841-16:
(8*1)+(7*2)+(6*7)+(5*8)+(4*4)+(3*1)+(2*1)+(1*6)=131
131 % 10 = 1
So 127841-16-1 is a valid CAS Registry Number.

127841-16-1Downstream Products

127841-16-1Relevant articles and documents

A new approach to the synthesis of 2-substituted indoles: Reaction of dimetallated ortho-trimethylsilylmethylanilides with esters

Bartoli, Giuseppe,Palmieri, Gianni,Petrini, Marino

, p. 1379 - 1384 (1990)

The reaction of 2-trimethylsilylmethylanilides and esters in basic medium provides a new general method for the synthesis of indoles. The advantages of this method are the mild reaction conditions (-10-0°C), the ready availability of the starting materials and the use of a non-nucleophilic base (lithium 2,2,6,6-tetramethylpiperidide) to promote cyclisation.

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