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25751-81-9

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25751-81-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25751-81-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,7,5 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 25751-81:
(7*2)+(6*5)+(5*7)+(4*5)+(3*1)+(2*8)+(1*1)=119
119 % 10 = 9
So 25751-81-9 is a valid CAS Registry Number.

25751-81-9Relevant articles and documents

High hyperpolarizabilities of donor-π-acceptor-functionalized calix[4]arene derivatives by pre-organization of chromophores

Kenis, Paul J. A.,Kerver, Esther G.,Snellink-Ruel, Bianca H. M.,Van Hummel, Gerrit J.,Harkema, Sybolt,Flipse, Marinus C.,Woudenberg, Richard H.,Engbersen, Johan F. J.,Reinhoudt, David N.

, p. 1089 - 1098 (2007/10/03)

A systematic investigation of the concept of pre-organization of nonlinear optical (NLO) active chromophoric groups in calix[4]arene derivatives and the influence on the absolute second-order nonlinear optical coefficients is reported. Several calix[4]are

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