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118093-49-5

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118093-49-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118093-49-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,0,9 and 3 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 118093-49:
(8*1)+(7*1)+(6*8)+(5*0)+(4*9)+(3*3)+(2*4)+(1*9)=125
125 % 10 = 5
So 118093-49-5 is a valid CAS Registry Number.

118093-49-5Downstream Products

118093-49-5Relevant articles and documents

Dual Reactivity in 1,2-Disubstituted Dihydro-N-heteroaromatic Systems. 12. Aromatization of 1-Substituted-2-(indol-3-yl)-1,2-dihydroquinolines with 1,3,5-Trinitrobenzene

Sheinkman, A. K.,Chmilenko, T. S.,Nezdiiminoga, T. N.

, p. 67 - 71 (1988)

As the electron-acceptor properties of the N-substituents in 1-R-2-(indol-3-yl)-1,2-dihydroquinolines decrease, their ability to undergo heterolysis of the internuclear C-C bond to give ion pairs of 1-R-quinolinium cations and indole anions decreases.Reaction of these ion pairs with 1,3,5-trinitrobenzene gives salts of 1-R-quinolinium cations and the 1-(indol-3-yl)-2,4,6-trinitrocyclohexadiene anion.With undissociated dihydroquinolines, aromatization under similar conditions gives salts of 1-R-2(indol-3-yl)quinolinium cations and the 1,1-dihydro-2,4,6-trinitrocyclohexa diene anion.

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