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344240-91-1

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344240-91-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 344240-91-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,2,4 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 344240-91:
(8*3)+(7*4)+(6*4)+(5*2)+(4*4)+(3*0)+(2*9)+(1*1)=121
121 % 10 = 1
So 344240-91-1 is a valid CAS Registry Number.

344240-91-1Upstream product

344240-91-1Relevant articles and documents

Synthesis and Mesomorphic Properties of 2,6-Disubstituted Tetralins

Cereghetti, Marco,Marbet, Roman,Schleich, Kuno

, p. 1318 - 1330 (1982)

Synthesis and mesomorphic behavior of nine members of each of the two classes of 6-phenyl- and 2-phenyltetralins and five members of the 2-trans-cyclohexyltetralins are reported.The synthesis of one member of each class is described in detail.Besides the target compounds, more than twenty intermediates showed liquid crystalline properties; their transition temperatures are recorded (see Tables 1-6).

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