Cas 22119-35-3,5,14-dihydrodibenzo<b,i><1,4,8,11>tetraaza<14>annulene

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Check Digit Verification of cas no

The CAS Registry Mumber 22119-35-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,1 and 9 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 22119-35:
(7*2)+(6*2)+(5*1)+(4*1)+(3*9)+(2*3)+(1*5)=73
73 % 10 = 3
So 22119-35-3 is a valid CAS Registry Number.

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22119-35-3Relevant articles and documents

SYNTHESIS OF DIBENZOTETRAAZAANNULENES FROM 3-TRIMETHYLSILOXYACROLEINS

Makin, S. M.,Broido, P. I.,Pomogaev, A. I.,Nikulina, S. A.

, p. 1194 - 1197 (2007/10/02)

7,16-Dialkyl-5,14-dihydrodibenzotetrazaannulenes have been synthesized from o-phenylenediamine and 2-alkyl-3-trimethyl-siloxyacroleins.The probable mechanism is discussed.It is shown that metallo complexes of 7,16-dialkyldibenzotetraazaannulenes have been prepared in high yield under template conditions.

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22119-35-3