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140118-90-7

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140118-90-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140118-90-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,1,1 and 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 140118-90:
(8*1)+(7*4)+(6*0)+(5*1)+(4*1)+(3*8)+(2*9)+(1*0)=87
87 % 10 = 7
So 140118-90-7 is a valid CAS Registry Number.

140118-90-7Downstream Products

140118-90-7Relevant articles and documents

Preparation and Spectroscopic Studies of the 1,4-Dihydro-1,4-iminonaphthalene (7-Azabenzonorbornadiene) Ring System

Davies, John W.,Durrant, Michael L.,Walker, Matthew P.,Belkacemi, Djaballah,Malpass, John R.

, p. 861 - 884 (2007/10/02)

The synthesis of a range of N-alkyl 1,4-dihydro-1,4-iminonaphthalenes (7-azabenzonorbornadienes) and reduced derivatives is described together with 1,4-dihydro-1,4- and 9,10-dihydro-9,10- iminoanthracenes.VT NMR studies lead to unambiguous assignment of i

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