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645409-60-5

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645409-60-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 645409-60-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,5,4,0 and 9 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 645409-60:
(8*6)+(7*4)+(6*5)+(5*4)+(4*0)+(3*9)+(2*6)+(1*0)=165
165 % 10 = 5
So 645409-60-5 is a valid CAS Registry Number.

645409-60-5Upstream product

645409-60-5Downstream Products

645409-60-5Relevant articles and documents

Mild Synthesis of Polyfunctional Benzimidazoles and Indoles by the Reduction of Functionalized Nitroarenes with Phenylmagnesium Chloride

Dohle, Wolfgang,Staubitz, Anne,Knochel, Paul

, p. 5323 - 5331 (2003)

Phenylmagnesium chloride has been used for the conversion of selected nitroarenes into nitrenes. Their insertion into a neighboring sp2 C-H bond yielded functionalized heterocycles. A novel and mild synthesis of polyfunctional benzimidazoles and indoles is described.

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