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94474-94-9

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94474-94-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94474-94-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,4,7 and 4 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 94474-94:
(7*9)+(6*4)+(5*4)+(4*7)+(3*4)+(2*9)+(1*4)=169
169 % 10 = 9
So 94474-94-9 is a valid CAS Registry Number.

94474-94-9Relevant articles and documents

THE EFFECT OF para-SUBSTITUENTS ON THE CONFORMATIONAL BEHAVIOUR OF AROMATIC SIDECHAINS

Cook, Michael J.,Khan, Tauqeer A.,Nasri, Khalida

, p. 249 - 258 (2007/10/02)

Proton nmr data are reported for some 2-aryl-1-propyl methyl esters, 2-aryl-1-propyl acetates and trifluoroacetates, 2-aryl-1-propanols and 4-aryl-2,2-dimethylpentanes.The vicinal coupling constants show that there is an increasing population of gauche Aryl/OR rotamers in the first three series (R = Me, R = COMe and R = COCF3) as electron donor groups on the aromatic ring are replaced by electron withdrawing groups.The results are ascribed to a gauche Aryl --- O interaction, the possible origins of which are discussed.

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