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71520-25-7

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71520-25-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71520-25-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,5,2 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 71520-25:
(7*7)+(6*1)+(5*5)+(4*2)+(3*0)+(2*2)+(1*5)=97
97 % 10 = 7
So 71520-25-7 is a valid CAS Registry Number.

71520-25-7Downstream Products

71520-25-7Relevant articles and documents

Structural Isomerism in Polycondensates. Part IV. Synthesis and Characterization of Liquid Crystalline Poly(azomethines) and Low Molecular Weight Model Compounds

Deschenaux, Robert,Neuenschwander, Peter,Pino, Piero

, p. 1349 - 1355 (2007/10/02)

With the aim to investigate the influence of structural isomerism on the mesomorphic thermal stability in main chain thermotropic polycondensates, a series of poly(azomethines) and low molecular weight models have been prepared.The model compounds exhibit

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