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139962-74-6

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139962-74-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139962-74-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,9,6 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 139962-74:
(8*1)+(7*3)+(6*9)+(5*9)+(4*6)+(3*2)+(2*7)+(1*4)=176
176 % 10 = 6
So 139962-74-6 is a valid CAS Registry Number.

139962-74-6Downstream Products

139962-74-6Relevant articles and documents

Reactions of β-(lithiomethyl)azines with nitriles as a route to pyrrolo-pyridines, - quinolines, -pyrazines, - quinoxalines and -pyrimidines

Davis, Michael L.,Wakefield, Basil J.,Wardell, Jacklyn A.

, p. 939 - 952 (2007/10/02)

Deprotonation of 3-methylazines, followed by reaction with benzonitile, gives an intermediate which, on treatment with additional strong base, cyclises to give 2-phenyl[1H]-pyrrolo[2,3-b]pyridine. The application of this type of reaction to a variety of n

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