Cas 557111-70-3,Phenol, 4-(1,3-undecadiynyl)-

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Check Digit Verification of cas no

The CAS Registry Mumber 557111-70-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,7,1,1 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 557111-70:
(8*5)+(7*5)+(6*7)+(5*1)+(4*1)+(3*1)+(2*7)+(1*0)=143
143 % 10 = 3
So 557111-70-3 is a valid CAS Registry Number.

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557111-70-3Relevant academic research and scientific papers

Rodlike mesogenic molecules consisting of two diacetylenic groups: Mesomorphic behavior and photoimaging

Cho, Hyun Ju,Seo, Kyung,Lee, Cheol Ju,Yun, Hoseop,Chang, Ji Young

, p. 986 - 990 (2003)

A series of mesogenic compounds with two diacetylenic groups were synthesized. The diacetylene groups were connected to a benzene ring via ester linkages, becoming a part of a rigid rod. The thermal behavior of the compounds and their polymerization were

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