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880644-68-8

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880644-68-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 880644-68-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,0,6,4 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 880644-68:
(8*8)+(7*8)+(6*0)+(5*6)+(4*4)+(3*4)+(2*6)+(1*8)=198
198 % 10 = 8
So 880644-68-8 is a valid CAS Registry Number.

880644-68-8Relevant articles and documents

Macrocycles incorporating an endocyclic but non-sterically-hindering chelate: Synthesis and structural studies

Durola, Fabien,Sauvage, Jean-Pierre,Wenger, Oliver S.

, p. 1439 - 1446 (2008/02/08)

Two rings of different size have been prepared both incorporating a 3,3′-biisoquinoline (biiq) chelate. The biiq ligand bears phenyl groups at its 8- and 8′-positions, which provide it with an approximate crescent shape. The incorporation of the 8,8′-diar

Sterically non-hindering endocyclic ligands of the bi-isoquinoline family

Durola, Fabien,Sauvage, Jean-Pierre,Wenger, Oliver S.

, p. 171 - 173 (2008/02/08)

Bi-isoquinoline can be used as a building block to prepare a new family of non-sterically hindering chelates, including a macrocyclic system; the endocyclic nature of the ligands has been confirmed by the X-ray structure of an octahedral tris-chelate iron

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