2,2,5,5-Tetramethyl-tetrahydrofuran-3r,4t-diol is a complex organic compound with the molecular formula C8H16O3. It is a cyclic ether with four carbon atoms in the ring structure, and two methyl groups attached to each of the second and fifth carbon atoms. The compound also features a diol functional group, with hydroxyl groups (-OH) attached to the third and fourth carbon atoms in the ring. This molecule is known for its unique stereochemistry, with the hydroxyl groups positioned in a specific spatial arrangement (3R,4T). It is often used in the synthesis of various pharmaceuticals and chemical compounds due to its unique structure and reactivity.
The CAS Registry Mumber 1005-89-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,0 and 5 respectively; the second part has 2 digits, 8 and 9 respectively. Calculate Digit Verification of CAS Registry Number 1005-89: (6*1)+(5*0)+(4*0)+(3*5)+(2*8)+(1*9)=46 46 % 10 = 6 So 1005-89-6 is a valid CAS Registry Number.