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1259577-39-3

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1259577-39-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1259577-39-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,9,5,7 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1259577-39:
(9*1)+(8*2)+(7*5)+(6*9)+(5*5)+(4*7)+(3*7)+(2*3)+(1*9)=203
203 % 10 = 3
So 1259577-39-3 is a valid CAS Registry Number.

1259577-39-3Relevant academic research and scientific papers

Facile synthesis of 2-bromoindoles by ligand-free CuI-catalyzed intramolecular cross-coupling of gem-dibromoolefins

Jiang, Baishan,Tao, Kemei,Shen, Wang,Zhang, Jiancun

experimental part, p. 6342 - 6344 (2011/01/04)

A mild and efficient synthesis of 2-bromoindoles by ligand-free CuI-catalyzed intramolecular cross-coupling of gem-dibromoolefins was developed. Reactions were carried out in toluene at room temperature and the corresponding 2-bromoindoles were obtained in excellent yields.

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