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111680-77-4

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111680-77-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111680-77-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,6,8 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 111680-77:
(8*1)+(7*1)+(6*1)+(5*6)+(4*8)+(3*0)+(2*7)+(1*7)=104
104 % 10 = 4
So 111680-77-4 is a valid CAS Registry Number.

111680-77-4Downstream Products

111680-77-4Relevant articles and documents

1,2-Fused Pyrimidines. III. Derivatives of 12H-Pyridopyrimidoquinoline, A Novel Heterocyclic System

Roma, G.,Braccio, M. Di,Balbi, A.,Mazzei, M.,Ermili, A.

, p. 329 - 335 (2007/10/02)

Reactivities of 2-amino-4H-pyridopyrimidin-4-ones and 4-amino-2H-pyridopyrimidin-2-ones, both N,N-dialkyl and (N-alkyl,N-phenyl)substituted, when treated with the N,N-dimethylformamide/phosphorus oxychloride Vilsmeier-Haack reagent XII were

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