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220697-60-9

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220697-60-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220697-60-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,6,9 and 7 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 220697-60:
(8*2)+(7*2)+(6*0)+(5*6)+(4*9)+(3*7)+(2*6)+(1*0)=129
129 % 10 = 9
So 220697-60-9 is a valid CAS Registry Number.

220697-60-9Relevant articles and documents

Highly efficient, mild, one pot synthesis of 2-substituted benzimidazoles, benzothiazoles and pyridoimidazoles promoted by N-iodosuccinimide

Bhattacharyya, Bhaswati,Dhara, Kaliprasanna

, p. 1749 - 1759 (2014/01/17)

A common and highly efficient metal-free route for the synthesis of 2-substituted benzimidazoles, benzothiazoles and pyridoimidazoles from suitable 1,2-difunctionalised aromatic compounds and various aromatic and aliphatic aldehydes and ferrocenecarboxaldehyde was developed using N-iodosuccinimide as the oxidizing agent. The methodology involved very short reaction time, mild reaction procedure and easy work-up as well as excellent yields of the products.

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