Cyclopentaneheptanoic acid, 1-(ethoxycarbonyl)-2-oxo-, ethyl ester is a complex organic compound with the chemical formula C11H18O5. It is an ester derivative of cyclopentaneheptanoic acid, featuring a cyclopentane ring and a heptanoic acid chain. The molecule contains an ethoxycarbonyl group at the 1-position and a 2-oxo group, which is a carbonyl group attached to the second carbon atom. The ethyl ester functional group is present, indicating that the carboxylic acid group is esterified with ethanol. Cyclopentaneheptanoic acid, 1-(ethoxycarbonyl)-2-oxo-, ethyl ester is likely to be used in the synthesis of various pharmaceuticals, agrochemicals, or other specialty chemicals due to its unique structure and functional groups.
The CAS Registry Mumber 5239-91-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,3 and 9 respectively; the second part has 2 digits, 9 and 1 respectively. Calculate Digit Verification of CAS Registry Number 5239-91: (6*5)+(5*2)+(4*3)+(3*9)+(2*9)+(1*1)=98 98 % 10 = 8 So 5239-91-8 is a valid CAS Registry Number.