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771540-89-7

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771540-89-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 771540-89-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,1,5,4 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 771540-89:
(8*7)+(7*7)+(6*1)+(5*5)+(4*4)+(3*0)+(2*8)+(1*9)=177
177 % 10 = 7
So 771540-89-7 is a valid CAS Registry Number.

771540-89-7Downstream Products

771540-89-7Relevant articles and documents

Intermolecular 'oxidative' aromatic substitution reactions of the imidazol-5-yl radical mediated by the 'reductant' Bu3SnH

McLoughlin, Padraig T.F.,Clyne, Mairéad A.,Aldabbagh, Fawaz

, p. 8065 - 8071 (2004)

The reactivity of the imidazol-5-yl in comparison to the imidazol-2-yl and phenyl radical under the reductive conditions of Bu3SnH, in intermolecular substitution reactions onto various aromatic substrates is reported. The directing effect of the hetero atom or methyl substituent in aromatic substrates was found to be more important than the polarity of the attacking σ-radical in determining the major product isomer. Graphical Abstract

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