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765951-71-1

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765951-71-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 765951-71-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,5,9,5 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 765951-71:
(8*7)+(7*6)+(6*5)+(5*9)+(4*5)+(3*1)+(2*7)+(1*1)=211
211 % 10 = 1
So 765951-71-1 is a valid CAS Registry Number.

765951-71-1Relevant articles and documents

Coumarin-enaminoester adducts: Structure corrections (X-ray) and some novel transformations. Synthesis of annulated tricyclic 2-pyridones

Raev, Lyubomir D.,Frey, Wolfgang,Ivanov, Ivo C.

, p. 1584 - 1588 (2007/10/03)

By means of X-ray crystallographic analysis the correct structure of all three types of stable coumarin-enaminoester adducts 6,10 and 11 and the corresponding spontaneous multistep heterocyclizations of ANRORC-type are reported. The initially formed adduc

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