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Phenol, 4-methyl-2-(5-methyl-3-isoxazolyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

20933-40-8

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20933-40-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20933-40-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,9,3 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 20933-40:
(7*2)+(6*0)+(5*9)+(4*3)+(3*3)+(2*4)+(1*0)=88
88 % 10 = 8
So 20933-40-8 is a valid CAS Registry Number.

20933-40-8Downstream Products

20933-40-8Relevant academic research and scientific papers

REACTIONS WITH 2-METHYLCHROMONES

Hamed, Ashraf A.,Madkour, Hassan M. F.,Nuaimi, Ibrahim S. Al.,Hussain, Badria A.

, p. 359 - 364 (2007/10/02)

The reactivity of 2-methylchromones and their derivatives towards nucleophilic and electrophilic reagents, cycloaddition reactions, thiation, reactions with compounds containing active methylene group has been investigated.The IR, 1H-NMR and mass spectra of new chromone derivatives were discussed.Key words: 2-Methylchromones, cycloaddition reactions with compounds containing active methylene

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