Cas 140661-75-2,3,3'-Bis<octyl(chloroacetyl)amino>azobenzol

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Check Digit Verification of cas no

The CAS Registry Mumber 140661-75-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,6,6 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 140661-75:
(8*1)+(7*4)+(6*0)+(5*6)+(4*6)+(3*1)+(2*7)+(1*5)=112
112 % 10 = 2
So 140661-75-2 is a valid CAS Registry Number.

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140661-76-3 3,3'-Bisazobenzol

140661-75-2Relevant academic research and scientific papers

Concave Dyes with Azobenzene Units as Chromophores, Photoswitchable and Cavity-Forming Elements

Bauer, Martin,Voegtle, Fritz

, p. 1675 - 1686 (2007/10/02)

Five macrocyclic (12a-e) and three types of threefold azobenzene-bridged oligomacrocyclic compounds (15, 17, 28, 31) have been synthesized.Due to the cavity-forming chromophores at the periphery of these molecules they represent concave dyes.The watersolu

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