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117194-86-2

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117194-86-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117194-86-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,1,9 and 4 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 117194-86:
(8*1)+(7*1)+(6*7)+(5*1)+(4*9)+(3*4)+(2*8)+(1*6)=132
132 % 10 = 2
So 117194-86-2 is a valid CAS Registry Number.

117194-86-2Downstream Products

117194-86-2Relevant articles and documents

Sur le mecanisme de la Reaction de Meth-Cohn-Tarnowski de preparation des thiocoumarines

El-Ahmad, Youssef,Reynaud, Pierre

, p. 711 - 714 (2007/10/02)

Reaction of 2-t-butylthiobenzaldehyde with N-(2-dialkylaminoethyl)-cyanacetamides followed by heating of the resulting 3-(2-t-butylthiophenyl)-2-cyanoacrylamides in polyphosphoric acid leads to the formation of 3-carboxamido-2-imino-2H-benzothiopyrane intermediates which afford thiocoumarins on hydrolysis.The authors postulate the intermediate formation of a thiophenate ion by an electronic mechanism involving six centers.

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