Heptanoic acid, 3,5-dimethyl-, also known as 3,5-dimethylheptanoic acid or 3,5-dimethyl caprylic acid, is a branched-chain carboxylic acid with the chemical formula C9H18O2. It is an organic compound that consists of a seven-carbon chain with two methyl groups attached at the third and fifth carbon atoms, respectively. This colorless liquid has a molecular weight of 158.24 g/mol and a density of approximately 0.91 g/cm3. It is insoluble in water but soluble in organic solvents such as ethanol and ether. 3,5-dimethylheptanoic acid is used in the synthesis of various chemicals, pharmaceuticals, and fragrances, and it is also found in some essential oils.
The CAS Registry Mumber 2490-12-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,4,9 and 0 respectively; the second part has 2 digits, 1 and 2 respectively. Calculate Digit Verification of CAS Registry Number 2490-12: (6*2)+(5*4)+(4*9)+(3*0)+(2*1)+(1*2)=72 72 % 10 = 2 So 2490-12-2 is a valid CAS Registry Number.