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1040255-67-1

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1040255-67-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1040255-67-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,0,2,5 and 5 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1040255-67:
(9*1)+(8*0)+(7*4)+(6*0)+(5*2)+(4*5)+(3*5)+(2*6)+(1*7)=101
101 % 10 = 1
So 1040255-67-1 is a valid CAS Registry Number.

1040255-67-1Downstream Products

1040255-67-1Relevant articles and documents

Synthesis of 1(2H)-isoquinolones by the nickel-catalyzed denitrogenative alkyne insertion of 1,2,3-benzotriazin-4(3H)-ones

Miura, Tomoya,Yamauchi, Motoshi,Murakami, Masahiro

supporting information; experimental part, p. 3085 - 3088 (2009/04/12)

(Chemical Equation Presented) 1,2,3-Benzotriazin-4(3H)-ones reacted with internal and terminal alkynes in the presence of a nickel(0)/phosphine catalyst to give a wide range of substituted 1(2H)-isoquinolones in high yield. The reaction proceeded through denitrogenative activation of the triazinone moiety and the following insertion of alkynes.

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