((2S,3R)-2-Ethoxy-3,6-dihydro-2H-pyran-3-yl)-acetaldehyde is a complex organic compound characterized by its unique chiral center and functional groups. This molecule features a pyran ring, which is a six-membered oxygen-containing cyclic structure, with a 2-ethoxy substituent and a 3-hydroxyl group. The acetaldehyde group is attached to the 3-position of the pyran ring, making it a derivative of acetaldehyde with a specific stereochemistry at the 2 and 3 positions (2S,3R). ((2S,3R)-2-Ethoxy-3,6-dihydro-2H-pyran-3-yl)-acetaldehyde is significant in organic chemistry due to its potential applications in the synthesis of various pharmaceuticals and natural products, as well as its role as an intermediate in organic synthesis. Its chirality and specific functional groups make it a valuable building block for creating more complex molecules with desired biological activities.
The CAS Registry Mumber 98454-79-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,4,5 and 4 respectively; the second part has 2 digits, 7 and 9 respectively. Calculate Digit Verification of CAS Registry Number 98454-79: (7*9)+(6*8)+(5*4)+(4*5)+(3*4)+(2*7)+(1*9)=186 186 % 10 = 6 So 98454-79-6 is a valid CAS Registry Number.