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102139-55-9

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102139-55-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 102139-55-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,1,3 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 102139-55:
(8*1)+(7*0)+(6*2)+(5*1)+(4*3)+(3*9)+(2*5)+(1*5)=79
79 % 10 = 9
So 102139-55-9 is a valid CAS Registry Number.

102139-55-9Relevant articles and documents

Benzoquinone Imines. Part 18. Kinetics and Mechanism of Oxidative Coupling Reactions involving N,N-bis-(2-hydroxyethyl)-p-phenylenediamine

Palling, David J.,Brown, Keith C.,Corbett, John F.

, p. 65 - 68 (2007/10/02)

A kinetic and mechanistic study of oxidative coupling reactions of N,N-bis-(2-hydroxyethyl)-p-phenylenediamine with m-phenylenediamines, phenols, and acetoacetanilide is described.The reactions involve the rapid establishment of an equilibrium between N,N

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