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94123-66-7

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94123-66-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94123-66-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,1,2 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 94123-66:
(7*9)+(6*4)+(5*1)+(4*2)+(3*3)+(2*6)+(1*6)=127
127 % 10 = 7
So 94123-66-7 is a valid CAS Registry Number.

94123-66-7Relevant articles and documents

Method for continuously preparing alpha-ketone thioester by using micro-channel reaction device

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Paragraph 0024-0060, (2021/08/11)

The invention provides a method for continuously preparing alpha-ketone thioester by using a micro-channel reaction device, the method comprises the following steps:taking phenylacetaldehyde and thiophenol as reaction raw materials, carrying out continuous reaction in the micro-channel reaction device in the presence of an initiator and a solvent, and carrying out oxidative coupling reaction to obtain alpha-ketone thioester III; the novel alpha-ketone thioester preparation method provided by the invention is efficient, safe and simple in process operation, mild in reaction condition and easy to amplify. The reaction process is shown as a reaction formula.

Metal-Free Oxidative Thioesterification of Methyl Ketones with Thiols/Disulfides for the Synthesis of α-Ketothioesters

Hu, Biao,Zhou, Pan,Zhang, Qiaohe,Wang, Yanqin,Zhao, Siyun,Lu, Lingling,Yan, Shengjiao,Yu, Fuchao

, p. 14978 - 14986 (2018/12/14)

A direct Csp3-H bond oxidative thioesterification of methyl ketones with aromatic thiols/disulfides promoted by TBAI/K2S2O8 has been developed. The reaction provides successfully a simple and efficient method for the synthesis of functionalized α-ketothioesters of aromatic thiols. This practical methodology exhibits readily available starting materials, large-scale applicability, synthetic application, and broad functional group tolerance. A possible mechanism for the transformation is proposed.

Dihalogenation of β-ketosulfides. Synthesis of α-keto methyl esters and α-keto S-phenyl thioesters

Fortes,Souto,Okino

, p. 2045 - 2052 (2007/10/02)

α-Keto esters and α-keto S-phenyl thioesters are synthesized from β-keto sulfides by dihalogenation with sulfuryl chloride followed by solvolysis with methanol and acetone/water respectively.

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