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1531633-66-5

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1531633-66-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1531633-66-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,3,1,6,3 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1531633-66:
(9*1)+(8*5)+(7*3)+(6*1)+(5*6)+(4*3)+(3*3)+(2*6)+(1*6)=145
145 % 10 = 5
So 1531633-66-5 is a valid CAS Registry Number.

1531633-66-5Downstream Products

1531633-66-5Relevant articles and documents

Reductive couplings of 2-halopyridines without external ligand: Phosphine-free nickel-catalyzed synthesis of symmetrical and unsymmetrical 2,2'-bipyridines

Liao, Lian-Yan,Kong, Xing-Rui,Duan, Xin-Fang

, p. 777 - 782 (2014/04/03)

An unexpectedly facile synthetic approach for symmetrical and unsymmetrical 2,2'-bipyridines through the Ni-catalyzed reductive couplings of 2-halopyridines was developed. The couplings were efficiently catalyzed by 5 mol % of NiCl2.6H2O without the use of external ligands. A variety of 2,2'-bipyridines including caerulomycin F have been efficiently synthesized.

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