4-Hydroxy-2-keto-4-methylglutaric lactone is a complex organic compound with the molecular formula C6H8O4. It is a derivative of glutaric acid, featuring a hydroxyl group (-OH) at the 4th carbon, a ketone group (C=O) at the 2nd carbon, and a methyl group (-CH3) at the 4th carbon as well. This lactone is known for its unique chemical structure, which includes a cyclic ester formed by the intramolecular esterification of the carboxylic acid group with the hydroxyl group. It is an important intermediate in the synthesis of various pharmaceuticals and chemical compounds due to its reactive functional groups, which can participate in a range of chemical reactions, such as nucleophilic addition, oxidation, and reduction. The compound's properties and reactivity make it a valuable building block in organic synthesis and a subject of interest in chemical research.
The CAS Registry Mumber 512-76-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,1 and 2 respectively; the second part has 2 digits, 7 and 6 respectively. Calculate Digit Verification of CAS Registry Number 512-76: (5*5)+(4*1)+(3*2)+(2*7)+(1*6)=55 55 % 10 = 5 So 512-76-5 is a valid CAS Registry Number.