2,2,5,5-Tetramethyl-4-bromotetrahydrofuran-3-one is a chemical compound with the molecular formula C9H15BrO2. It is a derivative of tetrahydrofuran, a heterocyclic compound consisting of a four-membered ring with an oxygen atom and three carbon atoms. The compound is characterized by the presence of four methyl groups (CH3) attached to the carbon atoms at positions2, 2, 5, and 5, and a bromine atom (Br) at the 4-position. The ketone functional group (C=O) is present at the 3-position, which is a carbonyl group bonded to a carbon atom. 2,2,5,5-tetramethyl-4-bromotetrahydrofuran-3-one is known for its unique chemical properties and potential applications in various fields, such as pharmaceuticals and organic synthesis.
The CAS Registry Mumber 55752-45-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,7,5 and 2 respectively; the second part has 2 digits, 4 and 5 respectively. Calculate Digit Verification of CAS Registry Number 55752-45: (7*5)+(6*5)+(5*7)+(4*5)+(3*2)+(2*4)+(1*5)=139 139 % 10 = 9 So 55752-45-9 is a valid CAS Registry Number.