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115439-41-3

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115439-41-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 115439-41-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,4,3 and 9 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 115439-41:
(8*1)+(7*1)+(6*5)+(5*4)+(4*3)+(3*9)+(2*4)+(1*1)=113
113 % 10 = 3
So 115439-41-3 is a valid CAS Registry Number.

115439-41-3Relevant articles and documents

Stereoselective Synthesis of the Dihydrobenzofuran Segments of the Ephedradine Alkaloids

Baker, Raymond,Cooke, Nigel G.,Humphrey, Guy R.,Wright, Stanley H. B.,Hirshfield, Jordan

, p. 1102 - 1104 (2007/10/02)

Syntheses of dihydrobenzofuran derivatives have involved formation of phenol substituted β-hydroxy esters by an aldol reaction followed by Lewis-acid-catalysed intramolecular cyclisation as key steps; the use of chiral oxazolidinones in the aldol reaction has formed the basis of enantiospecific syntheses.

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