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19077-69-1

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19077-69-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19077-69-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,0,7 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 19077-69:
(7*1)+(6*9)+(5*0)+(4*7)+(3*7)+(2*6)+(1*9)=131
131 % 10 = 1
So 19077-69-1 is a valid CAS Registry Number.

19077-69-1Relevant articles and documents

KINETICS AND MECHANISM OF REACTION OF 2,4-DINITROBENZALDEHYDE WITH HYDROXIDE ION

Machacek, Vladimir,Manova, Jana,Sedlak, Milos,Sterba, Vojeslav

, p. 2262 - 2268 (2007/10/02)

The reaction of 2,4-dinitrobenzaldehyde with hydroxide ion in water is first order in the substrate.The reaction order in hydroxide ion varies from one to two at lower and higher OH- concentrations, respectively.The reaction mechanism has been suggested, the pKa value of reaction product 2-nitro-4-nitrosophenol and the equilibrium constant of formation of the Meisenheimer adduct from 2-nitro-4-nitrosophenoxide and hydroxide ion have been determined.

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