Benzenesulfonic acid, 4-nitro-, 2-(3-cyclopenten-1-yl)ethyl ester is a complex organic compound with the chemical formula C13H15NO5S. It is an ester derivative of benzenesulfonic acid, featuring a nitro group at the 4-position and a 2-(3-cyclopenten-1-yl)ethyl ester group attached to the benzene ring. Benzenesulfonic acid, 4-nitro-, 2-(3-cyclopenten-1-yl)ethyl ester is characterized by its aromatic structure, with the benzene ring acting as the central core, and the presence of a sulfonic acid group, which imparts acidic properties. The nitro group enhances the compound's reactivity and stability, while the cyclopentenylethyl ester moiety introduces a cyclic structure and additional carbon-carbon double bonds, contributing to the compound's overall chemical behavior and potential applications in various fields, such as pharmaceuticals or chemical research.
The CAS Registry Mumber 791-66-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,9 and 1 respectively; the second part has 2 digits, 6 and 6 respectively. Calculate Digit Verification of CAS Registry Number 791-66: (5*7)+(4*9)+(3*1)+(2*6)+(1*6)=92 92 % 10 = 2 So 791-66-2 is a valid CAS Registry Number.