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1416691-53-6

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1416691-53-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1416691-53-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,6,6,9 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1416691-53:
(9*1)+(8*4)+(7*1)+(6*6)+(5*6)+(4*9)+(3*1)+(2*5)+(1*3)=166
166 % 10 = 6
So 1416691-53-6 is a valid CAS Registry Number.

1416691-53-6Downstream Products

1416691-53-6Relevant articles and documents

Construction and investigation of photo-switch property of azobenzene-bridged pillar[5]arene-based [3]rotaxanes

Chong, Hui,Nie, Cuiyun,Wang, Lihong,Wang, Sicong,Han, Ying,Wang, Yang,Wang, Chengyin,Yan, Chaoguo

, p. 57 - 61 (2021)

Series of azobenzene-bridged pillar[5]arene-based [3]rotaxanes with different alkyl chain length of guest molecules were constructed by threading-endcapping method with alkylenetriazole as axile and tetrahydrochromene as endcapping group. The encapsulation of pillar[5]arenes were proved by high-resolution mass, 1H NMR and NOESY spectra. The photo-responsive property were examined by irradiation of the synthesized [3]rotaxanes with 365 nm and blue light LED, which caused trans to cis and cis to trans isomerization, respectively. Irradiation of corresponding model guest compounds without pillar[5]arene encapsulation resulted in near completely trans to cis and cis to trans isomerization, indicating the existence of pillar[5]arenes is the determining factor for the comprised photo isomerization efficiency.

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