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Benzo[1,2-b:3,4-cd]furan-1,3-dione, 3a,4,8a,8b-tetrahydro- is a complex organic compound with the molecular formula C10H8O3. It is a derivative of benzofuran, which is a heterocyclic aromatic compound consisting of a benzene ring fused to a furan ring. The compound is characterized by the presence of two carbonyl groups (C=O) at the 1 and 3 positions, and a tetrahydro structure, which means it has four hydrogen atoms added to the parent compound. This specific arrangement of atoms and functional groups gives the compound unique chemical properties and potential applications in various fields, such as pharmaceuticals or materials science.

6544-77-0

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6544-77-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6544-77-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,4 and 4 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6544-77:
(6*6)+(5*5)+(4*4)+(3*4)+(2*7)+(1*7)=110
110 % 10 = 0
So 6544-77-0 is a valid CAS Registry Number.

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