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149117-53-3

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149117-53-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 149117-53-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,1,1 and 7 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 149117-53:
(8*1)+(7*4)+(6*9)+(5*1)+(4*1)+(3*7)+(2*5)+(1*3)=133
133 % 10 = 3
So 149117-53-3 is a valid CAS Registry Number.

149117-53-3Relevant articles and documents

New synthetic approaches to sugar ureas. Access to ureido-β- cyclodextrins

López, óscar,Maza, Susana,Maya, Inés,Fuentes, José,Fernández-Bola?os, José G.

, p. 9058 - 9069 (2007/10/03)

An efficient method for the preparation of urea-bridged cyclodextrins using triphosgene in the isocyanation step in an aqueous two-phase system is reported. Per-O-acetylated glycopyranosylamines and 2-amino-2-deoxy-α and β-d-glucose were also transformed

THE REACTION OF 2-AMINO-2-DEOXYHEXOPYRANOSES WITH ISOCYANATES. SYNTHESIS OF UREAS AND THEIR TRANSFORMATION INTO HETEROCYCLIC DERIVATIVES.

Avalos, Martin,Babiano, Reyes,Cintas, Pedro,Jimenez, Jose L.,Palacios, Juan C.,Valencia, Concepcion

, p. 2655 - 2675 (2007/10/02)

The reactions of 2-amino-2-deoxyglycopyranoses with aryl isocyanates have been investigated in detail and ureas and heterocyclic derivatives are obtained.The mechanism of formation of glycofuranoimidazolidin-2-ones 62 has now become visible, while

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