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857561-62-7

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857561-62-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857561-62-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,5,6 and 1 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 857561-62:
(8*8)+(7*5)+(6*7)+(5*5)+(4*6)+(3*1)+(2*6)+(1*2)=207
207 % 10 = 7
So 857561-62-7 is a valid CAS Registry Number.

857561-62-7Downstream Products

857561-62-7Relevant articles and documents

Redox-Neutral Arylations of Vinyl Cation Intermediates

Kaiser, Daniel,Veiros, Luis F.,Maulide, Nuno

, p. 64 - 77 (2017/01/14)

Herein we present a new unified concept for C?C bond formation under redox-neutral conditions. Our strategy hinges upon interception of a vinyl cation with a sulfoxide resulting in simultaneous C–C and C?O bond formation and arylation. A range of structurally diverse vinyl cations are generated in situ in the presence of a sulfoxide, resulting in hydrative arylation, direct arylation of enol triflates and interrupted Meyer–Schuster rearrangement. Mechanistic investigations showcase the crucial role played by the fleeting vinyl cation intermediate and structural features that lead to its stabilization. Applications of the reaction products to synthesis are also presented. (Figure presented.).

Triarylhaloethylenes as gonadotrophin inhibitors

Palopoli,Feil,Holtkamp,Richardson Jr.

, p. 1333 - 1335 (2007/10/06)

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