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452962-71-9

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452962-71-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 452962-71-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,2,9,6 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 452962-71:
(8*4)+(7*5)+(6*2)+(5*9)+(4*6)+(3*2)+(2*7)+(1*1)=169
169 % 10 = 9
So 452962-71-9 is a valid CAS Registry Number.

452962-71-9Relevant articles and documents

Oxone-mediated halocyclization/demethylation of 2-alkynylthioanisoles with sodium halides towards 3-halobenzo[b]thiophenes

Chen, Xinyu,Zhang, Zhebing,Sun, Tao,Cai, Haokun,Gao, Yuzhen,Cai, Tao,Shang, Tianbo,Luo, Yanjuan,Yu, Guoqi,Shen, Hualiang,Wu, Guofeng,Hei, Yanlin,Li, Enmin,Fan, Gang

supporting information, (2022/01/14)

An efficient and practical protocol for the Oxone-mediated halocyclization/demethylation of 2-alkynylthioanisoles towards valuable 3-halobenzo[b]thiophenes is described. Structurally diverse 3-halobenzothiophenes were obtained in good to excellent yields

MANUFACTURING METHOD OF AROMATIC IODINE COMPOUND USING DISULFIDE AS CATALYST

-

Paragraph 0019, (2020/04/04)

To manufacture an aromatic iodine compound under a mild condition at low cost and high yield.SOLUTION: There is provided a manufacturing method of an aromatic iodine compound by reacting an aromatic compound and an iodination agent in a presence of a cata

Disulfide-Catalyzed Iodination of Electron-Rich Aromatic Compounds

Iida, Keisuke,Ishida, Shunsuke,Watanabe, Takamichi,Arai, Takayoshi

, p. 7411 - 7417 (2019/06/18)

Herein, a disulfide-catalyzed electrophilic iodination of aromatic compounds using 1,3-diiodo-5,5-dimethylhydantoin (DIH) has been developed. The disulfide activates DIH as a Lewis base to promote the iodination reaction in acetonitrile under mild conditions. This system is applicable to a wide range of electron-rich aromatic compounds, including acetanilide, anisole, imidazole, and pyrazole derivatives.

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