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2-bromo-3-methylbenzene-1,4-diol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

40492-40-8

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40492-40-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40492-40-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,4,9 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 40492-40:
(7*4)+(6*0)+(5*4)+(4*9)+(3*2)+(2*4)+(1*0)=98
98 % 10 = 8
So 40492-40-8 is a valid CAS Registry Number.

40492-40-8Relevant academic research and scientific papers

Cyclohexenynone Precursors: Preparation via Oxidative Dearomatization Strategy and Reactivity

Qiu, Dachuan,Shi, Jiarong,Guo, Qianyu,Xu, Qiuxia,Li, Baosheng,Li, Yang

, p. 13214 - 13218 (2018)

A unique approach toward the preparation of cyclohexenynone equivalents was successfully developed via oxidative dearomatization of aryne precursors, featuring multiple functionalities on the target rings. Upon activation, these in situ formed cyclohexenynone intermediates exhibit good to excellent reactivity with various trapping agents. Moreover, an unprecedented cascade was discovered with aryl allyl sulfoxides, revealing a deeper utilization of the alkyne bond by concomitantly introducing one nucleophile and two electrophiles.

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