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89333-98-2

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89333-98-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89333-98-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,3,3 and 3 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 89333-98:
(7*8)+(6*9)+(5*3)+(4*3)+(3*3)+(2*9)+(1*8)=172
172 % 10 = 2
So 89333-98-2 is a valid CAS Registry Number.

89333-98-2Relevant articles and documents

SYNTHESE DE COMPOSES POLYETHERS MACROCYCLIQUES DERIVES DE LA PHENANTHROLINE-1,10 DIPHENY<-2,9.

Dietrich-Buchecker C. O.,Sauvage, J. P.

, p. 5091 - 5094 (2007/10/02)

The macrocyclic compound (V) and (VI) have been synthesized in three steps from phenenthroline, with an overall yield of 35percent.These new ligands contain two coordination sites whose electronic properties are drastically different: the phenanthroline subunit and the polyoxyethylene chain; the latter prevents ligands (V) or (VI) from forming analogues of bis-phenanthroline complexes of transition metals.

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