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162557-72-4

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162557-72-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 162557-72-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,2,5,5 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 162557-72:
(8*1)+(7*6)+(6*2)+(5*5)+(4*5)+(3*7)+(2*7)+(1*2)=144
144 % 10 = 4
So 162557-72-4 is a valid CAS Registry Number.

162557-72-4Relevant academic research and scientific papers

A convenient synthesis of 6,6′-dialkoxythioindigo dyes suitable for doping into a liquid crystal host

Dinescu, Liviu,Mezo, Adam,Luyt, Leonard G.,Lemieux, Robert P.

, p. 7549 - 7552 (2007/10/02)

A convenient synthesis of symmetrical 6,6′-di-n-alkoxythioindigo dyes suitable for doping into a liquid crystal host is reported, along with measurements of solubility limits for the dyes in nematic and smectic liquid crystals with broad temperature range.

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