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1,1-Bis-(4-hydroxy-phenyl)-aethyl-phenylphosphinsaeure-methylester, also known as methyl 1,1-bis(4-hydroxyphenyl)ethyl phenylphosphinate, is a complex organic compound with the chemical formula C20H21O3PS. It is a derivative of phenylphosphinic acid, featuring a methyl ester group, two hydroxyphenyl groups, and an ethyl group attached to the phosphorus atom. <1,1-Bis-(4-hydroxy-phenyl)-aethyl>-phenylphosphinsaeure-methylester is characterized by its potential applications in the synthesis of various phosphorus-containing compounds, which can be utilized in the fields of pharmaceuticals, agrochemicals, and materials science. The presence of hydroxyl groups allows for further functionalization and reaction with other molecules, making it a versatile building block in organic chemistry.

7165-82-4

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7165-82-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7165-82-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,6 and 5 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 7165-82:
(6*7)+(5*1)+(4*6)+(3*5)+(2*8)+(1*2)=104
104 % 10 = 4
So 7165-82-4 is a valid CAS Registry Number.

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