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1449215-20-6

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1449215-20-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1449215-20-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,9,2,1 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1449215-20:
(9*1)+(8*4)+(7*4)+(6*9)+(5*2)+(4*1)+(3*5)+(2*2)+(1*0)=156
156 % 10 = 6
So 1449215-20-6 is a valid CAS Registry Number.

1449215-20-6Relevant articles and documents

Regioselective tandem N-alkylation/ C-acylation of β,γ-alkynyl α-imino esters

Mizota, Isao,Matsuda, Yuri,Kamimura, Satoshi,Tanaka, Hirotaka,Shimizu, Makoto

supporting information, p. 4206 - 4209 (2013/09/12)

A new synthesis of α-quaternary alkynyl amino esters and allenoates was developed utilizing umpolung N-addition to β,γ-alkynyl α-imino esters followed by regioselective acylation. The reaction exhibits broad substrate generality and unique regioselectivity. Moreover, synthesis of α-quaternary alkynyl amino esters was also carried out via oxidation of the intermediary enolate followed by alkylation.

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