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75997-20-5

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75997-20-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75997-20-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,9,9 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 75997-20:
(7*7)+(6*5)+(5*9)+(4*9)+(3*7)+(2*2)+(1*0)=185
185 % 10 = 5
So 75997-20-5 is a valid CAS Registry Number.

75997-20-5Relevant articles and documents

A robust first-pass protocol for the heck-mizoroki reaction

Murray, Paul M.,Bower, John F,Cox, David K,Galbraith, Ewan K,Parker, Jeremy S,Sweeney, Joseph B.

, p. 397 - 405 (2013/04/24)

The Heck-Mizoroki (HM) reaction is one of the most widely used C-C bond-forming methods of contemporary synthesis. Notwithstanding this, these reactions frequently require significant optimization before efficient transformations can be obtained. We describe here the results of a study that aimed to establish a generic experimental protocol for HM reactions which enables acceptable yields from first-pass experiments. The methodology utilizes readily available stable catalysts and can be applied to a broad range of coupling partners.

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