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71204-23-4

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71204-23-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71204-23-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,2,0 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 71204-23:
(7*7)+(6*1)+(5*2)+(4*0)+(3*4)+(2*2)+(1*3)=84
84 % 10 = 4
So 71204-23-4 is a valid CAS Registry Number.

71204-23-4Downstream Products

71204-23-4Relevant articles and documents

Benzylidene-5 pyrrolones, furannones et thiophenones. I. - Synthese, structure et activites pharmacologiques

Galdino, Suely Lins,Da Rocha Pitta, Ivan,Luu-Duc, Cuong,Lucena, Beatriz,Olivera Correa Lima, Rosalia Maria

, p. 439 - 442 (2007/10/02)

Twenty two new 5-benzylidene furanones, pyrrolones and thiophenones were obtained by the condensation between substituted benzaldehydes and isosteric heterocycles.Their structure have been investigated by ir, nmr and mass spectroscopies.All of them have s

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