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121574-04-7

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121574-04-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121574-04-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,5,7 and 4 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 121574-04:
(8*1)+(7*2)+(6*1)+(5*5)+(4*7)+(3*4)+(2*0)+(1*4)=97
97 % 10 = 7
So 121574-04-7 is a valid CAS Registry Number.

121574-04-7Downstream Products

121574-04-7Relevant articles and documents

Photochemical Reaction between 1,4-Naphthalenedicarbonitrile and α-Substituted Benzylic Derivatives

Sulpizio, Ada,Albini, Angelo,d'Alessandro, Nicola,Fasani, Elisa,Pietra, Silvio

, p. 5773 - 5777 (2007/10/02)

The photochemical reaction of 1,4-naphthalenedicarbonitrile (NDN) with benzylic derivatives of the general formula PhCHRX (R = H, Ph; X = H, C, O, S, Si, Sn-bonded substituents) has been investigated.The competition between C-H and C-X bond cleavage in the photochemically created radical cation PhCHRX(.+) is revealed by the different chemical products formed, viz. 5,11-methanodibenzocyclooctenes (2), from proton transfer and coupling of the radicals within the cage, and 2-benzyl- (3) and 1-benzyl-1,2-dihydronaphthalenes (4), as well as 4-benzyl-1-naphthalenenitriles (5), from the reaction between the radical anion NDN(.-) and the neutral radicals PhCHR(.) or PhCRX(.).With the alcohols, the hydroxylic proton is easily transferred.Measurement of reaction quantum yield and fluoroscence quenching and thermochemical calculations support the mechanism proposed.

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