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5024-85-1

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5024-85-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5024-85-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,2 and 4 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5024-85:
(6*5)+(5*0)+(4*2)+(3*4)+(2*8)+(1*5)=71
71 % 10 = 1
So 5024-85-1 is a valid CAS Registry Number.

5024-85-1Relevant articles and documents

Synthesis and structure of cyclic oligo(p-phenylene oxide)s, -(C 6H4O)n- (n = 6-10)

Takeuchi, Daisuke,Asano, Itaru,Osakada, Kohtaro

, p. 8614 - 8617 (2007/10/03)

Stepwise growth of oligo(p-phenylene oxide)s and cyclization via the Ullmann coupling reaction by using CuI/N,N-dimethylglycine afforded cyclic oligo(p-phenyleneoxide)s, -(C6H4O)n-(n = 6-10). The structure of the new cyclophanes was determined by X-ray crystallography, which revealed that they have planar or slightly bent structures with diameters of 1.0-1.5 nm.

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