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22566-53-6

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22566-53-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22566-53-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,5,6 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 22566-53:
(7*2)+(6*2)+(5*5)+(4*6)+(3*6)+(2*5)+(1*3)=106
106 % 10 = 6
So 22566-53-6 is a valid CAS Registry Number.

22566-53-6Relevant articles and documents

A Practical and Chemoselective Ammonia-Free Birch Reduction

Lei, Peng,Ding, Yuxuan,Zhang, Xiaohe,Adijiang, Adila,Li, Hengzhao,Ling, Yun,An, Jie

, p. 3439 - 3442 (2018)

A novel protocol for a significantly improved, practical, and chemoselective ammonia-free Birch reduction mediated by bench-stable sodium dispersions and recoverable 15-crown-5 ether is reported. A broad range of aromatic and heteroaromatic compounds is reduced with excellent yields.

Reduction method of electronic salt reaction liquid and unsaturated aromatic hydrocarbon compound

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Paragraph 0076-0079, (2021/11/10)

To the reduction method, tetrahydrofuran is used as a solvent and an electron trapping agent, metal lithium is used as a reducing agent, tertiary butanol is used as a reducing agent, and the unsaturated aromatic hydrocarbon compound is reduced under -10 - 0 °C conditions. The raw material tetrahydrofuran is used in the invention. Metal lithium and tert-butyl alcohol are all conventional chemical products, and are simple and easy to obtain. After the reaction is finished, excess lithium and solvent are recovered, and directly used to realize low cost, low pollution and high yield.

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