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perfluoro-3,5-diphenoxy-4-(3,5-diphenoxyphenoxy)-2,5-cyclohexadien-1-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

141228-91-3

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141228-91-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141228-91-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,2,2 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 141228-91:
(8*1)+(7*4)+(6*1)+(5*2)+(4*2)+(3*8)+(2*9)+(1*1)=103
103 % 10 = 3
So 141228-91-3 is a valid CAS Registry Number.

141228-91-3Relevant academic research and scientific papers

Nucleophilic substitution of a fluorine atom in perfluorophenoxycyclohexadienones. Synthesis of 1,3,5-trisubstituted fluorine-containing polyphenyl ethers

Kovtonyuk, V.N.,Kobrina, L.S.

, p. 2029 - 2036 (2007/10/02)

The reaction of perfluoro-4-phenoxy-2,5-cyclohexadien-1-one with sodium pentafluorophenolate or phenols in the presence of potassium carbonate at 20 deg C gave products of the substitution of fluorine atoms at C3 and C5 in the dienon

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