(1R,2S)-1-Acetyl-2-methyl-cyclopentanecarboxylic acid ethyl ester is a complex organic compound with the molecular formula C11H18O3. It is a chiral molecule, meaning it has a non-superimposable mirror image, and it is characterized by its specific (1R,2S) configuration. (1R,2S)-1-Acetyl-2-methyl-cyclopentanecarboxylic acid ethyl ester features a cyclopentane ring, which is a five-membered carbon ring, with a methyl group at the 2-position and an acetyl group at the 1-position. The carboxylic acid group is esterified with an ethyl group, making it an ester. This chemical is synthesized through a series of chemical reactions and is used in various applications, such as in the synthesis of pharmaceuticals and as a building block for more complex organic molecules. Its unique structure and properties make it an important intermediate in organic chemistry.
The CAS Registry Mumber 3664-76-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,6,6 and 4 respectively; the second part has 2 digits, 7 and 6 respectively. Calculate Digit Verification of CAS Registry Number 3664-76: (6*3)+(5*6)+(4*6)+(3*4)+(2*7)+(1*6)=104 104 % 10 = 4 So 3664-76-4 is a valid CAS Registry Number.