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934545-49-0

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934545-49-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 934545-49-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,4,5,4 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 934545-49:
(8*9)+(7*3)+(6*4)+(5*5)+(4*4)+(3*5)+(2*4)+(1*9)=190
190 % 10 = 0
So 934545-49-0 is a valid CAS Registry Number.

934545-49-0Relevant articles and documents

Formal synthesis of pinolide via l-proline-catalyzed sequential α-aminooxylation, Horner-Wadsworth-Emmons olefination and Sharpless asymmetric dihydroxylation

Shelke, Anil M.,Suryavanshi, Gurunath

, p. 142 - 147 (2016/02/09)

A convergent, formal enantioselective synthesis of pinolide, a new nonenolide, has been achieved with high enantiomeric purity (99% ee) starting from readily available raw materials. The main highlight of the synthetic strategy is the application of l-proline catalyzed sequential α-aminooxylation and Horner-Wadsworth-Emmons olefination of an aldehyde, Sharpless asymmetric dihydroxylation and Steglich esterification as the key steps for the construction of a key chiral intermediate of the target molecule.

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