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1-[4,7-Bis-(toluene-4-sulfonyl)-[1,4,7]triazonan-1-yl]-4-[7-(toluene-4-sulfonyl)-[1,4,7]oxadiazonan-4-yl]-butan-1-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

154220-40-3

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154220-40-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 154220-40-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,2,2 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 154220-40:
(8*1)+(7*5)+(6*4)+(5*2)+(4*2)+(3*0)+(2*4)+(1*0)=93
93 % 10 = 3
So 154220-40-3 is a valid CAS Registry Number.

154220-40-3Downstream Products

154220-40-3Relevant academic research and scientific papers

On the synthesis of unsymmetrical bis(macrocyclic) ligands

Sessler, Jonathan L.,Sibert, John W.

, p. 8727 - 8738 (1993)

The syntheses of novel three and four carbon-bridged unsymmetrical bis(macrocyclic) ligands have been investigated. Suitable functionalization of a selectively protected 1,4,7-triazacyclononane macrocycle allows for the coupling of this well-studied ligand to either 1,4-diazacyclononane or 4,7-diaza-1-oxacyclononane.

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