5-Methyl-2-(1'-methylethyliden)-4-hexensaeure-ethylester, also known as ethyl 5-methyl-2-(1-methylethylidene)-4-hexenoate, is a chemical compound with the molecular formula C11H20O2. It is an organic ester derived from 4-hexenoic acid and ethanol, characterized by a methyl group at the 5th carbon, an isopropylidene group at the 2nd carbon, and an ethyl ester group. 5-Methyl-2-(1'-methylethyliden)-4-hexensaeure-ethylester is often used as a fragrance ingredient, providing fruity, floral, and green notes in perfumes and cosmetics. It is also found in various natural products, such as fruits and essential oils, contributing to their characteristic aromas. Due to its complex structure and unique scent profile, it is valued in the flavor and fragrance industry for its ability to enhance and modify the olfactory experience of various products.
The CAS Registry Mumber 3304-29-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,3,0 and 4 respectively; the second part has 2 digits, 2 and 9 respectively. Calculate Digit Verification of CAS Registry Number 3304-29: (6*3)+(5*3)+(4*0)+(3*4)+(2*2)+(1*9)=58 58 % 10 = 8 So 3304-29-8 is a valid CAS Registry Number.