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Tetrafluor-isophthalsaeure-diphenylester, also known as diphenyl tetrafluoroisophthalate, is a chemical compound with the molecular formula C16H8F4O4. It is a derivative of isophthalic acid, where the hydrogen atoms are replaced by fluorine atoms, and the carboxylic acid groups are esterified with phenol. Tetrafluor-isophthalsaeure-diphenylester is characterized by its high thermal stability and chemical resistance, making it a valuable intermediate in the synthesis of various polymers and specialty chemicals. It is used in the production of high-performance materials, such as fluoropolymers and flame-retardant compounds, due to its unique properties that include resistance to heat, chemicals, and UV radiation.

1551-38-8

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1551-38-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1551-38-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,5 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1551-38:
(6*1)+(5*5)+(4*5)+(3*1)+(2*3)+(1*8)=68
68 % 10 = 8
So 1551-38-8 is a valid CAS Registry Number.

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