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1613031-40-5

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1613031-40-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1613031-40-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,3,0,3 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1613031-40:
(9*1)+(8*6)+(7*1)+(6*3)+(5*0)+(4*3)+(3*1)+(2*4)+(1*0)=105
105 % 10 = 5
So 1613031-40-5 is a valid CAS Registry Number.

1613031-40-5Downstream Products

1613031-40-5Relevant articles and documents

Catalytic method for the synthesis of C-N-linked BI(HETEROARYL)S using heteroaryl ethers and N -Benzoyl heteroarenes

Tanii, Saori,Arisawa, Mieko,Tougo, Takaya,Yamaguchi, Masahiko

supporting information, p. 1756 - 1759 (2018/04/14)

C-N-linked bi(heteroaryl)s are synthesized by a rhodium-catalyzed N-heteroarylation reaction of N-benzoyl heteroarenes including azoles/azolones, pyridones, cyclic ureas, and cyclic imides using heteroaryl aryl ethers. The reaction involves the covalent bond-exchange reaction of N-CO and HetAr-O bonds without using metal bases and exhibits a broad applicability, giving diverse C-N-linked bi(heteroaryl)s containing five- and six-membered heteroarenes. The N-heteroarylation of N-H azoles/azolones and pyridone proceeds at higher reaction temperatures.

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