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3-(toluene-4-sulfonyloxy)-3,5-dihydro-[1,2,3]triazole-4,4-dicarboxylic acid dimethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

72109-40-1

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72109-40-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72109-40-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,0 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 72109-40:
(7*7)+(6*2)+(5*1)+(4*0)+(3*9)+(2*4)+(1*0)=101
101 % 10 = 1
So 72109-40-1 is a valid CAS Registry Number.

72109-40-1Relevant academic research and scientific papers

SYNTHESE DE 1,2,3-TRIAZOLINES PAR CYCLOADDITION DIPOLAIRE-1,3 DE DIAZOALCANES A DES ESTERS D'OXIMES

Perrocheau, J.,Carrie, R.

, p. 749 - 760 (2007/10/02)

Oximino-cyanacetic or malonesters 1, 2, 3 and 4 lead with diazoalcanes RCHN2 (R = H, CH3, Ph) to 1,2,3-triazolines.These triazolines present a low stability, however they are obtained crystallized with good yields.They are fully characterized and orientation of the cycloaddition is established.

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