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109271-64-9

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109271-64-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109271-64-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,2,7 and 1 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 109271-64:
(8*1)+(7*0)+(6*9)+(5*2)+(4*7)+(3*1)+(2*6)+(1*4)=119
119 % 10 = 9
So 109271-64-9 is a valid CAS Registry Number.

109271-64-9Downstream Products

109271-64-9Relevant articles and documents

Cu/Ag-catalyzed reaction of azirines with anthranils: Synthesis of (quinazolin-2-yl)methanone derivatives

Sun, Yajun,Sun, Huimin,Wang, Ying,Xie, Fang

, p. 6756 - 6759 (2020)

A Cu/Ag-catalyzed annulation of 3-aryl-2H-azirines with anthranils has been developed to expedite syntheses of (quinazolin2-yl)methanone derivatives. The transformation represents an unprecedented approach which employs a copper catalysis to cleave both a N-C2 azirine bond and N-O anthranil bond. Subsequently, an unexplored 1,3-hydroxyl migration and β-N elimination are likely the key to access (quinazolin-2-yl)methanone derivatives.

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