Cyclopentanepropanoic acid, 2-oxo-, ethyl ester, also known as ethyl 2-oxocyclopentanepropanoate, is a chemical compound with the molecular formula C9H14O3. It is an organic ester derived from cyclopentanepropanoic acid, where the carboxylic acid group is esterified with ethanol. Cyclopentanepropanoic acid, 2-oxo-, ethyl ester is characterized by a cyclopentane ring fused to a propanoic acid chain, with a ketone group (C=O) at the second carbon of the propanoic acid chain. Ethyl 2-oxocyclopentanepropanoate is a colorless liquid with a mild, fruity odor and is used in the synthesis of various pharmaceuticals, fragrances, and flavorings. It is also an important intermediate in the production of certain drugs and agrochemicals. Due to its complex structure and unique properties, Cyclopentanepropanoic acid, 2-oxo-, ethyl ester has potential applications in various industries, including the development of new materials and the creation of novel chemical compounds.
The CAS Registry Mumber 4104-20-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,0 and 4 respectively; the second part has 2 digits, 2 and 0 respectively. Calculate Digit Verification of CAS Registry Number 4104-20: (6*4)+(5*1)+(4*0)+(3*4)+(2*2)+(1*0)=45 45 % 10 = 5 So 4104-20-5 is a valid CAS Registry Number.