1H-2-Benzopyran-1,3(4H)-dione, hexahydro- is a chemical compound with the molecular formula C8H10O3. It is a type of dihydrobenzopyran-1,3-dione, which is a derivative of benzopyran, a heterocyclic compound consisting of a benzene ring fused to a pyran ring. This specific compound is characterized by the presence of six hydrogen atoms attached to the carbon atoms in the hexahydro structure, which reduces the number of double bonds in the molecule, making it more stable. It is an important intermediate in the synthesis of various pharmaceuticals and natural products, such as flavonoids, due to its unique structure and reactivity. The compound is also known for its potential applications in the development of new drugs and agrochemicals, as well as in the field of materials science.
The CAS Registry Mumber 4702-28-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,0 and 2 respectively; the second part has 2 digits, 2 and 8 respectively. Calculate Digit Verification of CAS Registry Number 4702-28: (6*4)+(5*7)+(4*0)+(3*2)+(2*2)+(1*8)=77 77 % 10 = 7 So 4702-28-7 is a valid CAS Registry Number.