Methyl 10-oxohexadecanoate, also known as methyl 10-ketostearate, is a chemical compound with the molecular formula C17H32O3. It is a derivative of stearic acid, where the carboxyl group has been converted to a methyl ester, and a ketone group is present at the 10th carbon atom. This organic compound is a colorless liquid with a slight odor and is insoluble in water but soluble in organic solvents. Methyl 10-oxohexadecanoate is used in various applications, including the synthesis of fragrances, pharmaceuticals, and as a chemical intermediate in the production of other chemicals. It is also found in some natural products, such as certain essential oils, and can be used as a biomarker in the study of lipid metabolism.
The CAS Registry Mumber 689-69-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,8 and 9 respectively; the second part has 2 digits, 6 and 9 respectively. Calculate Digit Verification of CAS Registry Number 689-69: (5*6)+(4*8)+(3*9)+(2*6)+(1*9)=110 110 % 10 = 0 So 689-69-0 is a valid CAS Registry Number.