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1284175-75-2

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1284175-75-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1284175-75-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,4,1,7 and 5 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1284175-75:
(9*1)+(8*2)+(7*8)+(6*4)+(5*1)+(4*7)+(3*5)+(2*7)+(1*5)=172
172 % 10 = 2
So 1284175-75-2 is a valid CAS Registry Number.

1284175-75-2Downstream Products

1284175-75-2Relevant academic research and scientific papers

Tributylphosphine-catalyzed reaction of ethanethiol with alkynyl ketones

Zhao, Shen,Zhou, Qing Fa,Liu, Jia Zhi,Tang, Wei Fang,Lu, Tao

, p. 397 - 400 (2011)

A stereoselective and effective method for the synthesis of vinyl thioethers has been developed. This method is based on the Michael addition of ethanethiol to various alkynyl ketones using 10 mol% of tributylphosphine as catalyst. Most of alkynyl ketones

BF3·Et2O promoted conjugate addition of ethanethiol to electron-deficient alkynes

Zhou, Qing Fa,Chu, Xue Ping,Zhao, Shen,Lu, Tao,Tang, Wei Fang

experimental part, p. 639 - 642 (2012/08/13)

An effective method for the synthesis of vinyl thioethers through the conjugate addition of ethanethiol to electron-deficient alkynes promoted by BF3·Et2O has been developed. Electron-deficient internal alkynes react with ethanethiol

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