Heptaric acid, also known as heptanoic acid, is a colorless, oily liquid with a strong, rancid odor. It is an organic compound classified as a saturated monocarboxylic acid, with the chemical formula C6H13COOH. This seven-carbon chain fatty acid is found in various natural sources, such as rancid fats and oils, and is used in the production of esters, perfumes, and flavorings. Heptaric acid is also utilized as a chemical intermediate in the synthesis of pharmaceuticals, plasticizers, and other industrial chemicals.
The CAS Registry Mumber 527-03-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,2 and 7 respectively; the second part has 2 digits, 0 and 3 respectively. Calculate Digit Verification of CAS Registry Number 527-03: (5*5)+(4*2)+(3*7)+(2*0)+(1*3)=57 57 % 10 = 7 So 527-03-7 is a valid CAS Registry Number.