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940938-73-8

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940938-73-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 940938-73-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,0,9,3 and 8 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 940938-73:
(8*9)+(7*4)+(6*0)+(5*9)+(4*3)+(3*8)+(2*7)+(1*3)=198
198 % 10 = 8
So 940938-73-8 is a valid CAS Registry Number.

940938-73-8Downstream Products

940938-73-8Relevant articles and documents

A new modular and flexible approach to [1,2,3]triazolo[1,5-a][1,4]benzodiazepines

Alajarín, Mateo,Cabrera, José,Pastor, Aurelia,Villalgordo, José M.

, p. 3495 - 3499 (2008/02/06)

A new synthetic route for the access to [1,2,3]triazolo[1,5-a][1,4]benzodiazepines and other derivatives is described. This strategy is based on the cycloaddition of 2-oxoalkylidenephosphoranes to o-functionalized aryl azides followed by the reaction of the corresponding triazole intermediate with amines. This new approach presents unique properties such as regioselectivity, modularity, mild reaction conditions, and high yields.

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