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41161-66-4

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41161-66-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 41161-66-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,1,6 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 41161-66:
(7*4)+(6*1)+(5*1)+(4*6)+(3*1)+(2*6)+(1*6)=84
84 % 10 = 4
So 41161-66-4 is a valid CAS Registry Number.

41161-66-4Relevant articles and documents

Synthese chiraler Azobenzole und Untersuchung der in nematischen Fluessigkristallen durch sie induzierten cholesterischen Phasen

Heppke, Gerd,Marschall, Helga,Nuernberg, Peter,Oestreicher, Feodor,Scherowsky, Guenter

, p. 2501 - 2518 (2007/10/02)

The chiral cis- and trans-azo compounds 8a - d and 9a - d with para- or ortho-standing chiral side chains as well as the trans-azoxy derivatives 17a - d and 18a - d are synthesized.The influence of the molecular structure and the distance of the chiral centre from the aromatic nucleus on screw sense and pitch of induced cholesteric phases is investigated.The cis-azo compounds 9c and d show atropisomerism.

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