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449760-92-3

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449760-92-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 449760-92-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,9,7,6 and 0 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 449760-92:
(8*4)+(7*4)+(6*9)+(5*7)+(4*6)+(3*0)+(2*9)+(1*2)=193
193 % 10 = 3
So 449760-92-3 is a valid CAS Registry Number.

449760-92-3Relevant articles and documents

Synthesis of quinoxaline derivatives from substituted acetanilides through intramolecular quaternization reactions

De Castro, Sonia,Chicharro, Roberto,Aran, Vicente J.

, p. 790 - 802 (2007/10/03)

The cyclization of 2-dialkylamino-2′-halogeno- and 2-chloro-2′-(dialkylamino)acetanilides to quinoxaline derivatives has been studied in detail. These reactions proceed, respectively, through intramolecular aromatic nucleophilic or aliphatic nucleophilic

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