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1402454-70-9

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1402454-70-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1402454-70-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,2,4,5 and 4 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1402454-70:
(9*1)+(8*4)+(7*0)+(6*2)+(5*4)+(4*5)+(3*4)+(2*7)+(1*0)=119
119 % 10 = 9
So 1402454-70-9 is a valid CAS Registry Number.

1402454-70-9Relevant articles and documents

CuI-catalyzed intramolecular cyclization of 3-(2-aminophenyl)-2- bromoacrylate: Synthesis of 2-carboxyindoles

Xiao, Xiong,Chen, Tian-Qi,Ren, Jiangmeng,Chen, Wei-Dong,Zeng, Bu-Bing

supporting information, p. 2056 - 2060 (2014/04/03)

A new approach was described for the synthesis of substituted 2-carboxyindole using 3-(2-aminophenyl)-2-bromo-acrylates through a CuI-catalyzed intramolecular coupling. The reactions were mild, rapid and with good to excellent yields.

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