1,1-Bis-(3-chlor-4-hydroxy-phenyl)-aethyl-phenylphosphinsaeure-methylester, also known as methyl 1,1-bis(3-chloro-4-hydroxyphenyl)ethyl phenylphosphinic acid ester, is a complex organic compound with the molecular formula C20H18Cl2O3PS. <1,1-Bis-(3-chlor-4-hydroxy-phenyl)-aethyl>-phenylphosphinsaeure-methylester is characterized by its phosphinic acid ester structure, which includes a phenyl group, two chlorinated hydroxyphenyl groups, and an ethyl chain. It is a derivative of phenylphosphinic acid, where the hydrogen atoms are replaced by 3-chloro-4-hydroxyphenyl and ethyl groups. This chemical is of interest in the field of organic chemistry, potentially for its reactivity or as a building block in the synthesis of more complex molecules. Due to its specific structure, it may have unique properties that could be explored for various applications, such as in the development of pharmaceuticals or materials science.
The CAS Registry Mumber 7016-69-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,0,1 and 6 respectively; the second part has 2 digits, 6 and 9 respectively. Calculate Digit Verification of CAS Registry Number 7016-69: (6*7)+(5*0)+(4*1)+(3*6)+(2*6)+(1*9)=85 85 % 10 = 5 So 7016-69-5 is a valid CAS Registry Number.