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13181-69-6

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13181-69-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13181-69-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,1,8 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 13181-69:
(7*1)+(6*3)+(5*1)+(4*8)+(3*1)+(2*6)+(1*9)=86
86 % 10 = 6
So 13181-69-6 is a valid CAS Registry Number.

13181-69-6Downstream Products

13181-69-6Relevant articles and documents

Amidines. Part 20. Rate of Reaction of N,N-Dialkylformamide Acetals with Substituted Anilines

Osek, Jerzy,Oszczapowicz, Janusz,Drzewinski, Witold

, p. 1961 - 1964 (2007/10/02)

Rate of reaction of seven N,N-dialkylformamide acetals R2N-CH(OR2)2 with a series of anilines substituted on the phenyl ring have been measured in benzene, methanol, chloroform, and tetrahydrofuran by use of a g.l.c. method.In each case studied reaction is irreversible and obeys a second-order kinetic equation.Reaction rates correlate with Hammett ? constants for substituents on the phenyl ring of the aniline molecule.On the basis of the kinetic data, the mechanism of reaction is discussed.

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