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95450-49-0

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95450-49-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 95450-49-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,5,4,5 and 0 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 95450-49:
(7*9)+(6*5)+(5*4)+(4*5)+(3*0)+(2*4)+(1*9)=150
150 % 10 = 0
So 95450-49-0 is a valid CAS Registry Number.

95450-49-0Relevant articles and documents

Le polyphosphate d'ethyle, un reactif de choix pour la synthese de derives du benzofuranne dicarboxylate-2,3 de methyle

Belleney, Joel,Vebrel, Joel,Cerutti, Ernest

, p. 1431 - 1435 (2007/10/02)

The aim of this work is to develop a fast and effective method for the synthesis of methylated derivatives of dimethylbenzofuran-2,3-dicarboxylate.With this end in view, we can suggest significant improvements to the Koelsch and Whitney method, especially by using ethyl polyphosphate.This reagent is indeed well adapted to the cyclodehydration of the methyl 2-aryloxy-3-hydroxymaleate intermediates into benzofuran compounds, since the yield is often better than 80percent.

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