Ethyl 2-methyleneoctanoate, also known as 2-methylidene-octanoic acid ethyl ester, is a colorless liquid organic compound with the chemical formula C11H20O2. It is an ester derived from 2-methyleneoctanoic acid and ethanol, featuring a double bond between the second and third carbon atoms in the octanoate chain. ethyl 2-methyleneoctanoate is characterized by a fruity, apple-like odor and is commonly used in the fragrance industry as a flavoring agent and perfume ingredient. It can be found in various fruits, such as apples, pears, and plums, and is also used in the production of artificial fruit essences. Ethyl 2-methyleneoctanoate is considered safe for use in food and cosmetics, but it should be handled with care due to its potential to cause skin and eye irritation.
The CAS Registry Mumber 3618-41-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,6,1 and 8 respectively; the second part has 2 digits, 4 and 1 respectively. Calculate Digit Verification of CAS Registry Number 3618-41: (6*3)+(5*6)+(4*1)+(3*8)+(2*4)+(1*1)=85 85 % 10 = 5 So 3618-41-5 is a valid CAS Registry Number.