Cas 112556-91-9,3,5-Pyridinedicarbonitrile, 4-amino-1,2-dihydro-2-oxo-1-phenyl-

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Check Digit Verification of cas no

The CAS Registry Mumber 112556-91-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,2,5,5 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 112556-91:
(8*1)+(7*1)+(6*2)+(5*5)+(4*5)+(3*6)+(2*9)+(1*1)=109
109 % 10 = 9
So 112556-91-9 is a valid CAS Registry Number.

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112556-91-9Relevant academic research and scientific papers

Syntheses with Nitriles, LXXV. The Reactivity of the Dimers of Malononitrile and Cyanoacetate with Dimethylformamide-dimethylacetal

Mittelbach, Martin

, p. 617 - 626 (2007/10/02)

Reaction of malononitrile dimer (1) and the codimer from cyanoacetate and malononitrile (2) with dimethylformamide-dimethylacetal (DMFDMA) leads to the monocondensation products 5a, b.The isomeric codimer 3, however, gives the amidine 6.Ring closure react

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