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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.

5239-91-8

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5239-91-8 Usage

Check Digit Verification of cas no

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.

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