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944472-33-7

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944472-33-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 944472-33-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,4,4,7 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 944472-33:
(8*9)+(7*4)+(6*4)+(5*4)+(4*7)+(3*2)+(2*3)+(1*3)=187
187 % 10 = 7
So 944472-33-7 is a valid CAS Registry Number.

944472-33-7Relevant articles and documents

New synthetic technology for the construction of N-hydroxyindoles and synthesis of nocathiacin I model systems

Nicolaou,Estrada, Anthony A.,Freestone, Graeme C.,Lee, Sang Hyup,Alvarez-Mico, Xavier

, p. 6088 - 6114 (2008/02/04)

A new synthetic method providing expedient access to a wide range of polyfunctionalized N-hydroxyindoles (IV) is reported. These unique constructs are assembled by nucleophilic additions to in situ generated α,β-unsaturated nitrones (III) through carbon-carbon and carbon-heteroatom bond formation. The new synthetic technology was applied to the synthesis of nocathiacin I (1) model systems (2 and 3a-c) containing the N-hydroxyindole structural motif.

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