1-Hydroxy-2,2-dimethyl-3-pentanone, also known as 2,2-dimethyl-3-pentanol-1-one or acetonyl acetone, is an organic compound with the chemical formula C6H12O2. It is a colorless liquid with a molecular weight of 116.16 g/mol. This ketone is characterized by a hydroxyl group (-OH) attached to the first carbon atom, and two methyl groups (-CH3) attached to the second carbon atom. It is an important intermediate in the synthesis of various chemicals, including pharmaceuticals, fragrances, and flavorings. 1-Hydroxy-2,2-dimethyl-3-pentanone is also used as a solvent and a reagent in organic synthesis. It is insoluble in water but soluble in most organic solvents. The compound has a pungent odor and is sensitive to light, heat, and air, which can lead to decomposition and the formation of peroxides.
The CAS Registry Mumber 6931-70-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,9,3 and 1 respectively; the second part has 2 digits, 7 and 0 respectively. Calculate Digit Verification of CAS Registry Number 6931-70: (6*6)+(5*9)+(4*3)+(3*1)+(2*7)+(1*0)=110 110 % 10 = 0 So 6931-70-0 is a valid CAS Registry Number.