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1640012-47-0

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1640012-47-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1640012-47-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,4,0,0,1 and 2 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1640012-47:
(9*1)+(8*6)+(7*4)+(6*0)+(5*0)+(4*1)+(3*2)+(2*4)+(1*7)=110
110 % 10 = 0
So 1640012-47-0 is a valid CAS Registry Number.

1640012-47-0Relevant articles and documents

Diastereoselective synthesis of novel aza-diketopiperazines via a domino cyclohydrocarbonylation/addition process

Regenass, Pierre,Margathe, Jean-Fran?ois,Mann, André,Suffert, Jean,Hibert, Marcel,Girard, Nicolas,Bonnet, Dominique

, p. 9657 - 9660 (2014/08/18)

Herein, we report an unprecedented, short and diastereo-selective synthesis of newly reported aza-diketopiperazine (aza-DKP) scaffolds starting from amino acids. The strategy is based on a Rh(i)-catalyzed hydroformylative cyclohydrocarbonylation of allyl-substituted aza-DKP, followed by a diastereoselective functionalization of the platform. This methodology allows the synthesis of novel bicyclic and tricyclic aza-DKP scaffolds incorporating six- or seven-membered rings, with potential applications in medicinal chemistry. This journal is the Partner Organisations 2014.

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