Cas 142340-12-3,Benzenemethanol, a-cyclopropyl-a-ethynyl-4-methoxy-

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Check Digit Verification of cas no

The CAS Registry Mumber 142340-12-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,3,4 and 0 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 142340-12:
(8*1)+(7*4)+(6*2)+(5*3)+(4*4)+(3*0)+(2*1)+(1*2)=83
83 % 10 = 3
So 142340-12-3 is a valid CAS Registry Number.

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142340-12-3Relevant academic research and scientific papers

Ruthenium-catalyzed reactions of 1-cyclopropyl-2-propyn-1-ols with anilines and water via allenylidene intermediates: Selective preparation of tri- and tetrasubstituted conjugated enynes

Yamauchi, Yoshihiro,Onodera, Gen,Sakata, Ken,Yuki, Masahiro,Miyake, Yoshihiro,Uemura, Sakae,Nishibayashi, Yoshiaki

, p. 5175 - 5179 (2008/02/01)

Ruthenium-catalyzed efficient preparation of the conjugated enynes can be carried out in the reactions of 1-cyclopropyl-2-propyn-1-ols with nitrogen- and oxygen-centered nucleophiles such as anilines and water in the presence of a catalytic amount of sulf

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