Bis-<1,1,7-trichlor-perfluor-heptyl>-carbonat, also known as 1,1,7-trichloro-2-(2,2,2-trifluoro-1-hydroxy-1-trifluoromethyl-ethoxy)-heptane, is a complex organic compound with the chemical formula C9H3Cl3F9O3. It is a perfluorinated compound, characterized by the presence of multiple fluorine atoms in its structure. Bis-<1,1,7-trichlor-perfluor-heptyl>-carbonat is known for its unique properties, such as high thermal and chemical stability, which make it useful in various industrial applications. However, due to its persistence in the environment and potential health risks, it has been the subject of regulatory scrutiny and is being phased out or replaced with safer alternatives in many countries.
The CAS Registry Mumber 4524-26-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,2 and 4 respectively; the second part has 2 digits, 2 and 6 respectively. Calculate Digit Verification of CAS Registry Number 4524-26: (6*4)+(5*5)+(4*2)+(3*4)+(2*2)+(1*6)=79 79 % 10 = 9 So 4524-26-9 is a valid CAS Registry Number.