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1279587-02-8

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1279587-02-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1279587-02-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,9,5,8 and 7 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1279587-02:
(9*1)+(8*2)+(7*7)+(6*9)+(5*5)+(4*8)+(3*7)+(2*0)+(1*2)=208
208 % 10 = 8
So 1279587-02-8 is a valid CAS Registry Number.

1279587-02-8Relevant articles and documents

New approach for the construction of the coumarin frame and application in the total synthesis of natural products

Jerezano, Alberto,Jimenez, Fabiola,Del Carmen Cruz, Maria,Montiel, Luisa E.,Delgado, Francisco,Tamariz, Joaquin

experimental part, p. 185 - 198 (2011/04/17)

A new synthetic approach is described for building the coumarin scaffold through the Lewis acid-promoted cyclization of novel aryl 3-(dimethylamino)prop- 2-enoates 2a - 2f. The latter precursors were prepared via aminomethylenation of the corresponding aryl acetates 4a - 4f with the Bredereck reagent. This approach was used for the synthesis of biologically active natural compounds 1a - 1f, through a three-step procedure starting from the corresponding phenols.

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