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666732-11-2

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666732-11-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 666732-11-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,6,7,3 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 666732-11:
(8*6)+(7*6)+(6*6)+(5*7)+(4*3)+(3*2)+(2*1)+(1*1)=182
182 % 10 = 2
So 666732-11-2 is a valid CAS Registry Number.

666732-11-2Relevant academic research and scientific papers

CYCLOPENTA[B]NAPHTHALENE DERIVATIVES

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Page/Page column 31, (2008/06/13)

The invention relates to cyclopenta[b]naphthalene derivatives of general formula (I), where Z, A, n, R, L5, L6, (II) and (III) have the meanings defined in claim (1), the use thereof in liquid crystal or mesogenous media, liquid crystal or mesogenous media comprising at least one of said cyclopenta[b]naphthalene derivatives and electrooptical display elements comprising said liquid crystal or mesogenous media.

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