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274924-66-2

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274924-66-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 274924-66-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,4,9,2 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 274924-66:
(8*2)+(7*7)+(6*4)+(5*9)+(4*2)+(3*4)+(2*6)+(1*6)=172
172 % 10 = 2
So 274924-66-2 is a valid CAS Registry Number.

274924-66-2Relevant articles and documents

Synthesis of N,N′-alkylated tetrahydroquinoxalines by the reaction of 4-bromo-5-nitrophthalonitrile with secondary diamines

Abramov,Smirnov,Abramova,Ivanovskii,Belysheva

, p. 576 - 580 (2002)

The reaction of 4-bromo-5-nitrophthalonitrile with aliphatic secondary diamines to give dicyano tetrahydroquinoxalines alkylated on the nitrogen atoms has been investigated for the first time. The latter can be used to prepare imides, phthalocyanines, hex

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