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

22439-75-4

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22439-75-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22439-75-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,4,3 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 22439-75:
(7*2)+(6*2)+(5*4)+(4*3)+(3*9)+(2*7)+(1*5)=104
104 % 10 = 4
So 22439-75-4 is a valid CAS Registry Number.

22439-75-4Relevant academic research and scientific papers

REACTION OF HYDROXYLAMINE WITH 4'-SUBSTITUTED FLAVONE DERIVATIVES

Witczak, Zbigniew,Krolikowska, Maria

, p. 763 - 773 (2007/10/02)

Reactions of hydroxylamine with 4'-substituted flavones have been investigated.Formation of oxime flavone and isoxazole for R = -OCH3, -CH3, -Cl and only isoxazole for R = -OH has been stated, whereas for R = -NO2 formation of an intermediate product of opening γ-pyrone ring and both isomeric isoxazoles has been observed.

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