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13140-81-3

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13140-81-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13140-81-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,1,4 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 13140-81:
(7*1)+(6*3)+(5*1)+(4*4)+(3*0)+(2*8)+(1*1)=63
63 % 10 = 3
So 13140-81-3 is a valid CAS Registry Number.

13140-81-3Downstream Products

13140-81-3Relevant articles and documents

Anion binding with biphenyl-bis-urea derivatives: Solution and solid-state studies

Grguri?, Toni,Cetina, Mario,Petroselli, Manuel,Bacchiocchi, Corrado,Dzoli?, Zoran,Cametti, Massimo

, p. 16294 - 16301 (2020)

In this work, we have synthesized and characterized bis-urea derivatives 1-3, featuring a biphenyl spacer, and studied their anion binding properties in DMSO solution and in the solid state. In solution, 1?:?1 complexes were observed with association cons

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