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143657-41-4

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143657-41-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143657-41-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,6,5 and 7 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 143657-41:
(8*1)+(7*4)+(6*3)+(5*6)+(4*5)+(3*7)+(2*4)+(1*1)=134
134 % 10 = 4
So 143657-41-4 is a valid CAS Registry Number.

143657-41-4Downstream Products

143657-41-4Relevant articles and documents

Sysnthesis of Surfactant Tetracyanoanthraquinodimethanes for Conducting Langmuir-Blogdett Films

Vorob'eva, Svetlana L.,Berzina, Tat'yana S.

, p. 1133 - 1136 (2007/10/02)

The synthesis of surfactant 11,11,12,12-tetracyanoanthraquinodimethanes (TCNAQ) (2a-h) with different hydrophilic groups such as amino, sulfonyl and carbonyl at the head of long-chain substituents is described.Highly homogenous conducting Langmuir-Blodgett (LB) films with stable conductivities of 1-5 S cm-1 are obtained when using binary mixtures of surfactant TCNAQ (2c, d, f) as acceptors and surfactant tetrathiafulvalenes as donors.

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