3-Hydroxy-3-methyl-5-(2,6,6-trimethyl-cyclohex-2-enyl)-valeric acid ethyl ester is a complex organic compound with the molecular formula C16H28O3. It is a derivative of valeric acid, featuring a hydroxyl group, a methyl group, and a cyclohexenyl ring. The cyclohexenyl ring is characterized by three methyl groups at positions 2, 6, and 6, which contribute to its unique structure. This ester is formed by the reaction of the carboxylic acid group with ethanol, resulting in an ester linkage. It is known for its potential applications in the fragrance industry due to its pleasant scent, and it may also be used as a flavoring agent. The compound's specific structure and functional groups give it unique chemical properties, making it a subject of interest in organic chemistry and related fields.
The CAS Registry Mumber 1891-28-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,9 and 1 respectively; the second part has 2 digits, 2 and 8 respectively. Calculate Digit Verification of CAS Registry Number 1891-28: (6*1)+(5*8)+(4*9)+(3*1)+(2*2)+(1*8)=97 97 % 10 = 7 So 1891-28-7 is a valid CAS Registry Number.