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1269205-83-5

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1269205-83-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1269205-83-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,9,2,0 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1269205-83:
(9*1)+(8*2)+(7*6)+(6*9)+(5*2)+(4*0)+(3*5)+(2*8)+(1*3)=165
165 % 10 = 5
So 1269205-83-5 is a valid CAS Registry Number.

1269205-83-5Relevant articles and documents

A practical synthesis of 5-aroyl-1-aryltetrazoles using an Ugi-like 4-component reaction followed by a biomimetic transamination

Giustiniano, Mariateresa,Pirali, Tracey,Massarotti, Alberto,Biletta, Beatrice,Novellino, Ettore,Campiglia, Pietro,Sorba, Giovanni,Tron, Gian Cesare

, p. 4107 - 4118 (2011/03/17)

Multicomponent reactions (MCRs), followed by subsequent transformations, are fascinating tools for the rapid and effective synthesis of molecular scaffolds with potential pharmacological relevance. We became interested in the preparation of novel 5-aroyl-1-aryltetrazoles as (1) they still represent challenging structures not easily accessible through the methods described in literature, and (2) the -ketotetrazolic framework may be considered as a potential bioisostere of the enonic linker of chalcones. In the present work, a novel, simple, effective and general synthesis for this class of compounds is described. Georg Thieme Verlag Stuttgart - New York.

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