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80998-91-0

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80998-91-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80998-91-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,9 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 80998-91:
(7*8)+(6*0)+(5*9)+(4*9)+(3*8)+(2*9)+(1*1)=180
180 % 10 = 0
So 80998-91-0 is a valid CAS Registry Number.

80998-91-0Relevant articles and documents

Regiospecific C-N photocyclization of 2-styrylquinolines

Gulakova, Elena N.,Berdnikova, Daria V.,Aliyeu, Tseimur M.,Fedorov, Yuri V.,Godovikov, Ivan A.,Fedorova, Olga A.

, p. 5533 - 5537 (2014/07/08)

Regiospecific C-N photocyclization of 2-styrylquinolines resulting in formation of potentially biologically active quino[1,2-a]quinolizinium derivatives was investigated. The presence of strong electron-donating groups in the phenyl ring reveals to be a crucial factor managing photocyclization effectiveness. Introduction of a crown ether moiety allows changing the photoreaction parameters by means of complexation with Mg(ClO4) 2.

A catalyst-free benzylic C-H bond olefination of azaarenes for direct mannich-like reactions

Yan, Yizhe,Xu, Kun,Fang, Yang,Wang, Zhiyong

experimental part, p. 6849 - 6855 (2011/10/04)

A highly efficient synthesis of trans-alkenylazaarene under catalyst-free conditions was developed via the addition of methylazaarenes to N-sulfonyl aldimines and a subsequent C-N elimination in situ. A one-pot procedure for this addition-elimination was also developed. The reaction could tolerate a broad substrate scope and give the corresponding alkenylazaarenes in high yields.

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